diff --git a/pkgs/development/coq-modules/reglang/default.nix b/pkgs/development/coq-modules/reglang/default.nix
index 75c1861b9339..88e306083936 100644
--- a/pkgs/development/coq-modules/reglang/default.nix
+++ b/pkgs/development/coq-modules/reglang/default.nix
@@ -12,11 +12,11 @@ mkCoqDerivation {
 
   releaseRev = v: "v${v}";
 
-  release."1.2.2".sha256 = "sha256-js1JaLSpYbxfiAfh8XvGsnJpx5DV13heouUm3oeBfNg=";
-  release."1.2.1".sha256 = "sha256-giCRK8wzpVVzXAkFAieQDWqSsP7upSJSUUHkwG4QqO4=";
-  release."1.2.0".sha256 = "sha256-gSqQ7D2HLwM4oYopTWkMFYfYXxsH/7VxI3AyrLwNf3o=";
-  release."1.1.3".sha256 = "sha256-kaselYm8K0JBsTlcI6K24m8qpv8CZ9+VNDJrOtFaExg=";
-  release."1.1.2".sha256 = "sha256-SEnMilLNxh6a3oiDNGLaBr8quQ/nO2T9Fwdf/1il2Yk=";
+  release."1.2.2".hash = "sha256-js1JaLSpYbxfiAfh8XvGsnJpx5DV13heouUm3oeBfNg=";
+  release."1.2.1".hash = "sha256-giCRK8wzpVVzXAkFAieQDWqSsP7upSJSUUHkwG4QqO4=";
+  release."1.2.0".hash = "sha256-gSqQ7D2HLwM4oYopTWkMFYfYXxsH/7VxI3AyrLwNf3o=";
+  release."1.1.3".hash = "sha256-kaselYm8K0JBsTlcI6K24m8qpv8CZ9+VNDJrOtFaExg=";
+  release."1.1.2".hash = "sha256-SEnMilLNxh6a3oiDNGLaBr8quQ/nO2T9Fwdf/1il2Yk=";
 
   inherit version;
   defaultVersion =