diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index 8d4fa98ef729..ef943518c773 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -72,13 +72,13 @@ assert waylandSupport -> gtk3Support == true;
 
 stdenv.mkDerivation rec {
   pname = "thunderbird";
-  version = "68.5.0";
+  version = "68.6.0";
 
   src = fetchurl {
     url =
       "mirror://mozilla/thunderbird/releases/${version}/source/thunderbird-${version}.source.tar.xz";
     sha512 =
-      "15hi1193z6gp05dx6pqakxydyrxzls4xhfpvrk5qg458gxhdfj4qbgb33mcf944g7vf2hk5mk6nbgmdxlb9svw1n72ym2adyaca6n5v";
+      "0z2r93inj4k0sg4ghq8nz209ayklvh9dxgbsimg6dgil5ibcmyapks30gva7r9jxi07mzmb6i2mj4wazgkyi6i124svzvllnm1cq0im";
   };
 
   nativeBuildInputs = [