diff --git a/pkgs/development/libraries/rocksdb/default.nix b/pkgs/development/libraries/rocksdb/default.nix
index 016ff7af6ea9..e48c812b3912 100644
--- a/pkgs/development/libraries/rocksdb/default.nix
+++ b/pkgs/development/libraries/rocksdb/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     owner = "facebook";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-mfIRQ8nkUbZ3Bugy3NAvOhcfzFY84J2kBUIUBcQ2/Qg=";
+    hash = "sha256-mfIRQ8nkUbZ3Bugy3NAvOhcfzFY84J2kBUIUBcQ2/Qg=";
   };
 
   nativeBuildInputs = [ cmake ninja ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e0141b8abb63..0672df15e6f8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4504,7 +4504,7 @@ with pkgs;
 
   bsh = fetchurl {
     url = "http://www.beanshell.org/bsh-2.0b5.jar";
-    sha256 = "0p2sxrpzd0vsk11zf3kb5h12yl1nq4yypb5mpjrm8ww0cfaijck2";
+    hash = "sha256-YjIZlWOAc1SzvLWs6z3BNlAvAixrDvdDmHqD9m/uWlw=";
   };
 
   btfs = callPackage ../os-specific/linux/btfs { };
@@ -14897,7 +14897,7 @@ with pkgs;
       src = fetchgit {
         url = "https://git.savannah.gnu.org/r/gnulib.git";
         rev = "0b38e1d69f03d3977d7ae7926c1efeb461a8a971";
-        sha256 = "06bj9y8wcfh35h653yk8j044k7h5g82d2j3z3ib69rg0gy1xagzp";
+        hash = "sha256-9z/Vg3/g5WRWHH9I0QR6BZ5JCJBo+lEMLAM6xpFPchk=";
       };
     };
   };
@@ -21685,7 +21685,7 @@ with pkgs;
       owner = "libgit2";
       repo = "libgit2";
       rev = "v${version}";
-      sha256 = "sha256-7atNkOBzX+nU1gtFQEaE+EF1L+eex+Ajhq2ocoJY920=";
+      hash = "sha256-7atNkOBzX+nU1gtFQEaE+EF1L+eex+Ajhq2ocoJY920=";
     };
     patches = [];
   };
@@ -24971,7 +24971,7 @@ with pkgs;
       owner = "facebook";
       repo = pname;
       rev = "v${version}";
-     sha256 = "sha256-U2ReSrJwjAXUdRmwixC0DQXht/h/6rV8SOf5e2NozIs=";
+     hash = "sha256-U2ReSrJwjAXUdRmwixC0DQXht/h/6rV8SOf5e2NozIs=";
    };
   };
 
@@ -24982,7 +24982,7 @@ with pkgs;
       owner = "facebook";
       repo = pname;
       rev = "v${version}";
-     sha256 = "sha256-SsDqhjdCdtIGNlsMj5kfiuS3zSGwcxi4KV71d95h7yk=";
+     hash = "sha256-SsDqhjdCdtIGNlsMj5kfiuS3zSGwcxi4KV71d95h7yk=";
    };
   };
 
@@ -28285,7 +28285,7 @@ with pkgs;
     version = "5.19.16";
     src = fetchurl {
       url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-      sha256 = "13g0c6ljxk3sd0ja39ndih5vrzp2ssj78qxaf8nswn8hgrkazsx1";
+      hash = "sha256-oeuvZn4QWa4tcqpjdKTW4v68C4zNpqEkaHrMLqlh4I0=";
     };
   };
 
@@ -37290,7 +37290,7 @@ with pkgs;
       owner = "ElementsProject";
       repo = "elements";
       rev = "ea318a45094ab3d31dd017d7781a6f28f1ffaa33"; # simplicity branch latest
-      sha256 = "ooe+If3HWaJWpr2ux7DpiCTqB9Hv+aXjquEjplDjvhM=";
+      hash = "sha256-ooe+If3HWaJWpr2ux7DpiCTqB9Hv+aXjquEjplDjvhM=";
     };
   };
 
@@ -39771,7 +39771,7 @@ with pkgs;
         owner = "polyml";
         repo = "polyml";
         rev = "bafe319bc3a65bf63bd98a4721a6f4dd9e0eabd6";
-        sha256 = "1ygs09zzq8icq1gc8qf4sb24lxx7sbcyd5hw3vw67a3ryaki0qw2";
+        hash = "sha256-gmMQp/J5qGP4HhyW5tnSp3dKxNLEYcRewCwi/H8C+vk=";
       };
     };
 
@@ -41947,7 +41947,7 @@ with pkgs;
       version = "1.7.9";
       src = fetchurl {
         url = "http://www.openfst.org/twiki/pub/FST/FstDownload/openfst-${version}.tar.gz";
-        sha256 = "1pmx1yhn2gknj0an0zwqmzgwjaycapi896244np50a8y3nrsw6ck";
+        hash = "sha256-kxmusx0eKVCuJUSYhOJVzCvJ36+Yf2AVkHY+YaEPvd4=";
       };
     };
   };