diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
index faf4fd7b452c..f78c4457b89a 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
@@ -1,665 +1,665 @@
 {
-  version = "78.6.1";
+  version = "78.7.0";
   sources = [
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/af/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/af/thunderbird-78.7.0.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
-      sha256 = "f6fb6e449dbfb7478b5faffa0118845a2e55fb09e27f6b4bc63c4d8abd2f5db5";
+      sha256 = "2e5741f536243b84f6014c33b44900a01dcbe8c42e17f3d6acb62a2441708c69";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/ar/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/ar/thunderbird-78.7.0.tar.bz2";
       locale = "ar";
       arch = "linux-x86_64";
-      sha256 = "33f0010135377291851e06fd43fe797fc331d93e018e4410b878ea7056e149b9";
+      sha256 = "bb2126528e1aa170fd0b59914fbcb3df3eba57aa83c995284ceadb40b24e65be";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/ast/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/ast/thunderbird-78.7.0.tar.bz2";
       locale = "ast";
       arch = "linux-x86_64";
-      sha256 = "a5b4e9007b68abb9100f757d62ab976a4ecd8e7f389f896411b9957ecc175b62";
+      sha256 = "93b59d8d66b2d87076f680fd6e284f7f424a7925d82e3fa6e394388278a89a4a";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/be/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/be/thunderbird-78.7.0.tar.bz2";
       locale = "be";
       arch = "linux-x86_64";
-      sha256 = "ed9846f9e06dcbc60b6dfb08814d19111558f91e96181b73338af8dc30b89ad7";
+      sha256 = "92dd5f24667a1886ab321df2148096ab7530c6fb8306d6d21e158c72dbcd8611";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/bg/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/bg/thunderbird-78.7.0.tar.bz2";
       locale = "bg";
       arch = "linux-x86_64";
-      sha256 = "c45a472030b9c42931966a8f90e0d9de9364a4bcca721678090a6702480a1a27";
+      sha256 = "03444b4e10bbad0fec4928564d39b30f9e9ff8705adcc20706959eee357ee45c";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/br/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/br/thunderbird-78.7.0.tar.bz2";
       locale = "br";
       arch = "linux-x86_64";
-      sha256 = "37cda6ed4d6296d58b18b8325eeeeccc24088029999c4146ce429ff131eefab0";
+      sha256 = "088b6b2456f475c76527122d503f2d91c274e88cafa9a052029f2f4e00a0609d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/ca/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/ca/thunderbird-78.7.0.tar.bz2";
       locale = "ca";
       arch = "linux-x86_64";
-      sha256 = "be91d650c2e8e26afe64373c8ad9213c9b3f903c0037ef9fe215ac4b46b2fe4b";
+      sha256 = "4be51f350929a907aa20a036c7ea7232d14874ff29c622cb4a6c917634a79019";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/cak/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/cak/thunderbird-78.7.0.tar.bz2";
       locale = "cak";
       arch = "linux-x86_64";
-      sha256 = "5dab8ad6ab718855237fa5b43ac687e117e7eaeabc1702fe3cfc49af2f62fdf7";
+      sha256 = "f50880a17573b1eb2bee79c2768eb04eaf2b715b7fbeb134e08634dac3ea7e22";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/cs/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/cs/thunderbird-78.7.0.tar.bz2";
       locale = "cs";
       arch = "linux-x86_64";
-      sha256 = "a6c4afa14cefb505aade5a9d8b48a12d9d4f4823c8db7356eb635dc1c492f592";
+      sha256 = "e1971a4e5f91a7d6de06fd2121e7cc0169d5c8ec04418540a840c887b5c1a560";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/cy/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/cy/thunderbird-78.7.0.tar.bz2";
       locale = "cy";
       arch = "linux-x86_64";
-      sha256 = "f45e222a10bdfe13c51a49e834d10f00320d7cd4093160d7b3616fce01a208ff";
+      sha256 = "20f7086783ce5ed7bafa9875555008e62e146b080fe6eb1ad3ddf2e5fee9f0c1";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/da/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/da/thunderbird-78.7.0.tar.bz2";
       locale = "da";
       arch = "linux-x86_64";
-      sha256 = "618d582a161d7ee6e7d304e200486b0af7df6cb1a0d154de9fd5ed208e71ef07";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/de/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/de/thunderbird-78.7.0.tar.bz2";
       locale = "de";
       arch = "linux-x86_64";
-      sha256 = "79f86cc42efb58ba5b1da6d99c4f17ecbeafe235ed6fe03d772d48e3a4f9f4b1";
+      sha256 = "9ba270c4013c0bee106ea45fc46b79f066daa1e1b90a03000ec93a54c80f65b6";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/dsb/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/dsb/thunderbird-78.7.0.tar.bz2";
       locale = "dsb";
       arch = "linux-x86_64";
-      sha256 = "13a929d9848809c9e44fe6d564fdd796fd3aa87103f6c9cbe5797d73ba4a858a";
+      sha256 = "1e4394e4ecd44714abc0756054e751daeee4b2f485bcd3fa2db697dceb756c37";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/el/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/el/thunderbird-78.7.0.tar.bz2";
       locale = "el";
       arch = "linux-x86_64";
-      sha256 = "fb520853ca5aac6380411e86858f58040369100ef1602452d0b1d12dafa4bd89";
+      sha256 = "543d9343785f655caa637a2bdbf56a814b280efe206ef5868c855f2b397e0e88";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/en-CA/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/en-CA/thunderbird-78.7.0.tar.bz2";
       locale = "en-CA";
       arch = "linux-x86_64";
-      sha256 = "ca00e11b378e00a1c551b45608e8261ca5cef088975925030b1c3294f8cd6935";
+      sha256 = "76e414cf62428874d4e9633fa6ae166ea16f6d295a4ddb4240c5f310557ec928";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/en-GB/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/en-GB/thunderbird-78.7.0.tar.bz2";
       locale = "en-GB";
       arch = "linux-x86_64";
-      sha256 = "fb792943477dfb5210b071832474e27a66290af49ed3204adbaef301bf97b9a8";
+      sha256 = "cfbd194b58349fbd5d8dc0ccaeb36ea0fe21b28bf25f176ba8d12bb79ff25501";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/en-US/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/en-US/thunderbird-78.7.0.tar.bz2";
       locale = "en-US";
       arch = "linux-x86_64";
-      sha256 = "442cd017c9aa5321b7f59ca165f4a687e3619d2d5fefcb9af3127d2d8d0a69f7";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/es-AR/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/es-AR/thunderbird-78.7.0.tar.bz2";
       locale = "es-AR";
       arch = "linux-x86_64";
-      sha256 = "c3b14e63e75efa1411480a8fb9df4e5f57c733f1782f122514c324d2cb943cbf";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/es-ES/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/es-ES/thunderbird-78.7.0.tar.bz2";
       locale = "es-ES";
       arch = "linux-x86_64";
-      sha256 = "f0aad6c895034cd01d55a9e17f3ec81912767b46b3d1db65da24884ee2dfe532";
+      sha256 = "b79324ecdf228b24c7c51a1dc9129c39518d6a19c7a083364639bab16cc52214";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/et/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/et/thunderbird-78.7.0.tar.bz2";
       locale = "et";
       arch = "linux-x86_64";
-      sha256 = "07b29082709f888febae991196c05fc3de3b87a5b7371000d002ac59870c7d45";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/eu/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/eu/thunderbird-78.7.0.tar.bz2";
       locale = "eu";
       arch = "linux-x86_64";
-      sha256 = "0b49e505114f24832f337d265a9bf092d25e653790c595c698f3e11a82fd11d3";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/fa/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/fa/thunderbird-78.7.0.tar.bz2";
       locale = "fa";
       arch = "linux-x86_64";
-      sha256 = "b333b2a40b4c57ed00c9833bb32a88a72a4db3e4b376db07b84fc146df9fc6c3";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/fi/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/fi/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "5e484dc76a50f77fbc24fac3c8d11f2b4501a3488b8dcc7cb5517b263833966c";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/fr/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/fr/thunderbird-78.7.0.tar.bz2";
       locale = "fr";
       arch = "linux-x86_64";
-      sha256 = "63e95323a8b93831516ce0015a052d316a6d501f6c7a4a0b1bed6dd367367aee";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/fy-NL/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/fy-NL/thunderbird-78.7.0.tar.bz2";
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+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/ga-IE/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/gd/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/gd/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "13bbd007cab49ab1f37862392e3c02c5418deece6894fb2ddb1f15e9ce811bbf";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/gl/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/gl/thunderbird-78.7.0.tar.bz2";
       locale = "gl";
       arch = "linux-x86_64";
-      sha256 = "8cb71820ff19c7a7c9186aefcd80cf27d0ace5331b320e2e4660d982921b6d96";
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+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/he/thunderbird-78.7.0.tar.bz2";
       locale = "he";
       arch = "linux-x86_64";
-      sha256 = "12092b25ae77177bac52dd0555136b041dc409507401566d8f0f0973a59eabce";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/hr/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/hr/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "b9cff4319fb62af844d278c93a649b85c64469aaaf9881a6788aa25498afe5ec";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/hsb/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/hsb/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "3bb8f6d9989270197e5b99fce18e2558daf19317b47bea50d8a30a7934c68859";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/hu/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/hu/thunderbird-78.7.0.tar.bz2";
       locale = "hu";
       arch = "linux-x86_64";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/hy-AM/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/hy-AM/thunderbird-78.7.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "8dd61e4cbaddb8f97e466402e474adb6c22f2ac9b3d7ddeac53aecbb21ac1129";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/id/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/id/thunderbird-78.7.0.tar.bz2";
       locale = "id";
       arch = "linux-x86_64";
-      sha256 = "b03444c14c9f73dce2620f1acfa975e165b2ee33d27a8bf359dd3b3a0a22199e";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-x86_64/is/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-x86_64/is/thunderbird-78.7.0.tar.bz2";
       locale = "is";
       arch = "linux-x86_64";
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       locale = "ko";
       arch = "linux-i686";
-      sha256 = "de1d69f07f087fbbe0b085fbcf57fdf77baea36f09ad95594e9f3eabde835365";
+      sha256 = "8aa9eebe4ffeaa3f6d963806a6b5d0d3e6530b08476bf55e9cdc1b25cdc105d5";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/lt/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/lt/thunderbird-78.7.0.tar.bz2";
       locale = "lt";
       arch = "linux-i686";
-      sha256 = "a2b4dafb34e35da9d7ad939fcd00c1d8730aba99ba71efb1c62dac95cb873209";
+      sha256 = "2e811db91100b6e3671693fda6776406477ee3f71f4ae9431eb1b94e1aff4a19";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/ms/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/ms/thunderbird-78.7.0.tar.bz2";
       locale = "ms";
       arch = "linux-i686";
-      sha256 = "b8d998101f30ae03a94e6b9c802d41d0c7afe2f837f92be7ffb9ac37998c1ab6";
+      sha256 = "950a316e46a5f6bc127715295e00cf9c742d3bd7ef23a489e3fe4131f7394e2e";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/nb-NO/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/nb-NO/thunderbird-78.7.0.tar.bz2";
       locale = "nb-NO";
       arch = "linux-i686";
-      sha256 = "5b2b419b1a79ff1ac28af11a9649a5f68c0eb06a813687280a8d01edf09db4e6";
+      sha256 = "c3bcd1740b5288b9d0f486fc9d2f5936e38e869eab5bf84a92bfc50caa11c5cc";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/nl/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/nl/thunderbird-78.7.0.tar.bz2";
       locale = "nl";
       arch = "linux-i686";
-      sha256 = "428e422214e706c5cfcbbcf2bf1e9190168d9cbaaf7a9aa94dfbe078ca1fa38c";
+      sha256 = "f7eb04082ef4ff38e287016ea3b75e795eb7428c8271ae06a21930031de108bf";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/nn-NO/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/nn-NO/thunderbird-78.7.0.tar.bz2";
       locale = "nn-NO";
       arch = "linux-i686";
-      sha256 = "0fb80dd45a0f7ddfcfe55d7f99d47279a083a4ca6d813d3791c21c14c759b1fe";
+      sha256 = "01adbf1a345fa117ac8cf5ae65f11e5ce14dafe3f06d99fede51abaa4eee3f94";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/pa-IN/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/pa-IN/thunderbird-78.7.0.tar.bz2";
       locale = "pa-IN";
       arch = "linux-i686";
-      sha256 = "d4e17383fd04a300b416a291a1b50071284593e635c5c4cb101362dbb1602612";
+      sha256 = "3d8b49a32080315c3726fbc77ff2de4eda453e4919b487af99cbc85a9e8b79fa";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/pl/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/pl/thunderbird-78.7.0.tar.bz2";
       locale = "pl";
       arch = "linux-i686";
-      sha256 = "c76deda25f28bc43489ef5c13c03f95c52c49b7c58311ea173c853ffe6de0a06";
+      sha256 = "32429dee14ba7c405ccab71bc3a8ea24cc4a028ea331254c0b4e227c921da58b";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/pt-BR/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/pt-BR/thunderbird-78.7.0.tar.bz2";
       locale = "pt-BR";
       arch = "linux-i686";
-      sha256 = "e7a29a78acd5a7daf2366f2b79f7a51df37f19687e84213de61af2065a011e8a";
+      sha256 = "2709ac332c29c0d2dfb3e76c77e3af58cc27a9d23496fa7432fe043ebd486a35";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/pt-PT/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/pt-PT/thunderbird-78.7.0.tar.bz2";
       locale = "pt-PT";
       arch = "linux-i686";
-      sha256 = "23cb3cab0228b1290d9315b2416940293df21a53231726937af133a20a102a7c";
+      sha256 = "eca228d5846b51cbbd64888477e7514669dc1714dc07d1aab86e38ab0f7956b5";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/rm/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/rm/thunderbird-78.7.0.tar.bz2";
       locale = "rm";
       arch = "linux-i686";
-      sha256 = "0c2175e117964deb87949a3047ce72a11ba7781581f6dcd583fecf51680a1573";
+      sha256 = "269e7483c5f1a884fd809dc3ccb5c1627573708c558a5f2acdd9ca6b925312b5";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/ro/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/ro/thunderbird-78.7.0.tar.bz2";
       locale = "ro";
       arch = "linux-i686";
-      sha256 = "3b3395c39fa032ced0af7508c20a24341b1e893b26ac6430dfebd771ed86478b";
+      sha256 = "41d769fb26c99e66708c7c8884c822e863d8066b46512ec20b26c760e7c78916";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/ru/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/ru/thunderbird-78.7.0.tar.bz2";
       locale = "ru";
       arch = "linux-i686";
-      sha256 = "9933df6138ccf8042e82181e629b97166f7661d26dbeb524d0954ac13c9795be";
+      sha256 = "06ed87bfb7830607e87ef5f17f553e34275f3c0a56674f1f07e7e30b43c1f9d0";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/si/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/si/thunderbird-78.7.0.tar.bz2";
       locale = "si";
       arch = "linux-i686";
-      sha256 = "b50d48a71acd7c399877c5b6507bd0228c3ca88b3f7ee57748167d579d76c2a1";
+      sha256 = "09b96524a7b887ba0cdae931ca368f079d5c3536134f6d9798b0073cfa047332";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/sk/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/sk/thunderbird-78.7.0.tar.bz2";
       locale = "sk";
       arch = "linux-i686";
-      sha256 = "9a84aec070338c33eec3e617e19f7452c9436c4671cfca6374b45c4d146b7258";
+      sha256 = "a9025df80c0dd8ebe96dec1503d11820ac7c48ea35ef695e883f1e01dbd0b6dd";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/sl/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/sl/thunderbird-78.7.0.tar.bz2";
       locale = "sl";
       arch = "linux-i686";
-      sha256 = "e8398068668cad4f0a0070d2545523c6d3cce2352e753355e8a195a90b3daaed";
+      sha256 = "8db2dceecad941230113b079bd083d0548cafef3bab0b9698260ce3db28453fd";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/sq/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/sq/thunderbird-78.7.0.tar.bz2";
       locale = "sq";
       arch = "linux-i686";
-      sha256 = "91aa97a9ac1951bd43a46e7c2b36f7d865d307685b20c5dabe48c83714a82bc1";
+      sha256 = "365db0f0872959400b5aaae94866f1a49e0b14db2fd55938c0084e983f06f2bc";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/sr/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/sr/thunderbird-78.7.0.tar.bz2";
       locale = "sr";
       arch = "linux-i686";
-      sha256 = "ef6b30e33e1ad8f771ef4b5a76305369e5cfeed47982a65996c9ceb23409f76a";
+      sha256 = "252587e46e7cf1fbd83f9bc9da6b8273985f26d5ede94aab16a2d2ef1d92faa2";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/sv-SE/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/sv-SE/thunderbird-78.7.0.tar.bz2";
       locale = "sv-SE";
       arch = "linux-i686";
-      sha256 = "48b9733a90ed561d7439369c115d9a2778bfbe83222e786564c98f7c5396de89";
+      sha256 = "029d0a70f4c0bf770dc37263639097aed24b6186057cd9d81c50fb4657ce3e04";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/th/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/th/thunderbird-78.7.0.tar.bz2";
       locale = "th";
       arch = "linux-i686";
-      sha256 = "9759c011a43e0622d4a42ac3462039d70eef678f633863ed24f3cb5736b4b8ed";
+      sha256 = "24b20e9cd1d9a5b863d4dcfd8d62599b52ba9a64126b6bf584d4ff5c3db524d8";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/tr/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/tr/thunderbird-78.7.0.tar.bz2";
       locale = "tr";
       arch = "linux-i686";
-      sha256 = "5f9e153ca23c3ff3b9bcae816176cfb4c89845a05481d98b538254603e981896";
+      sha256 = "d7d9878fbcf9b552164f588600ac1704a5e295fe73c333f0e838b5d99fbd5deb";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/uk/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/uk/thunderbird-78.7.0.tar.bz2";
       locale = "uk";
       arch = "linux-i686";
-      sha256 = "cde508d6b9e7590b50902afe6497328cf087cb7519ea4df2de0a5d47ee8e6034";
+      sha256 = "3c8eef6d084fec6b0ac57ae6d2fce6dc7e02977ed10c670be30d032e417a50ce";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/uz/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/uz/thunderbird-78.7.0.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha256 = "0a533d7788c957aab3615a04eb0bc6db12acf92d4ccdef5d1763f0e8bf4f3dc3";
+      sha256 = "545de649b406faa1b942020eb418c4e52054efcc8706a2f4881409d253ed5c4a";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/vi/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/vi/thunderbird-78.7.0.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha256 = "4e30ead1cf49a7716c25759fd5e84efe3edc8dd5722367d50417f2b28e3fb376";
+      sha256 = "86ae5dbef5ec4cdb0e25ce3cbe78b46ed35349d11038ed12a49dc0440dc7111e";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/zh-CN/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/zh-CN/thunderbird-78.7.0.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha256 = "c673aead55f3762b68a9c692d422d61a407bca31cd9dbfbe63d8ec4292c24ed8";
+      sha256 = "ce94974470209d9dc81f676f3e74a6359d4e97c7f8801f644c7ea0fe774ad6bc";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.1/linux-i686/zh-TW/thunderbird-78.6.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.7.0/linux-i686/zh-TW/thunderbird-78.7.0.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha256 = "9c5d7cc03df92efa4be3dfc2f9521f77253fba4abd961a21e4d20ac19495244e";
+      sha256 = "f013131307e31eed708f8a75e1313b2f94cd401de06e00053f4155aedca33b13";
     }
     ];
 }
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index e758249a71c9..8c7d471776d2 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -73,13 +73,13 @@ assert waylandSupport -> gtk3Support == true;
 
 stdenv.mkDerivation rec {
   pname = "thunderbird";
-  version = "78.6.1";
+  version = "78.7.0";
 
   src = fetchurl {
     url =
       "mirror://mozilla/thunderbird/releases/${version}/source/thunderbird-${version}.source.tar.xz";
     sha512 =
-      "1vzka0msy6gqyxgwyp2dknp6rmgzhcjsyq2hf798wf4wrb7rrrsyrgqrd8skss929wakda0slqng505lhig79za7wyyh531f7i9qbv7";
+      "1fwi9dvh9q8pzwri6hyyg89zxkfpw3zin53nkqgvips43yq6jdmyxnz3y9qnk2f50d0lnkx12vvkzgirjhdz23gkf7y860zmwg85vpy";
   };
 
   nativeBuildInputs = [