diff --git a/pkgs/development/coq-modules/smtcoq/default.nix b/pkgs/development/coq-modules/smtcoq/default.nix
index cc43535a98e6..8ffe698cea6f 100644
--- a/pkgs/development/coq-modules/smtcoq/default.nix
+++ b/pkgs/development/coq-modules/smtcoq/default.nix
@@ -15,7 +15,7 @@
 #   veriT' = veriT.overrideAttrs {
 #     src = fetchurl {
 #       url = "https://www.lri.fr/~keller/Documents-recherche/Smtcoq/veriT9f48a98.tar.gz";
-#       sha256 = "sha256-Pe46PxQVHWwWwx5Ei4Bl95A0otCiXZuUZ2nXuZPYnhY=";
+#       hash = "sha256-Pe46PxQVHWwWwx5Ei4Bl95A0otCiXZuUZ2nXuZPYnhY=";
 #     };
 #     meta.broken = false;
 #   };
@@ -25,19 +25,19 @@ mkCoqDerivation {
   pname = "smtcoq";
   owner = "smtcoq";
 
-  release."SMTCoq-2.2+8.19".sha256 = "sha256-9Wv8AXRRyOHG/cjA/V9tSK55R/bofDMLTkDpuwYWkks=";
-  release."SMTCoq-2.2+8.18".sha256 = "sha256-1iJAruI5Qn9nTZcUDjk8t/1Q+eFkYLOe9Ee0DmK03w8=";
-  release."SMTCoq-2.2+8.17".sha256 = "sha256-kaodsyVUl1+QQagzoBTIjxbdD4X3IaaH0x2AsVUL+Z0=";
-  release."SMTCoq-2.2+8.16".sha256 = "sha256-Hwm8IFlw97YiOY6H63HyJlwIXvQHr9lqc1+PgTnBtkw=";
-  release."SMTCoq-2.2+8.15".sha256 = "sha256-+GYOasJ32KJyOfqJlTtFmsJ2exd6gdueKwHdeMPErTo=";
-  release."SMTCoq-2.2+8.14".sha256 = "sha256-jqnF33E/4CqR1HSrLmUmLVCKslw9h3bbWi4YFmFYrhY=";
-  release."SMTCoq-2.2+8.13".sha256 = "sha256-AVpKU/SLaLYnCnx6GOEPGJjwbRrp28Fs5O50kJqdclI=";
+  release."SMTCoq-2.2+8.19".hash = "sha256-9Wv8AXRRyOHG/cjA/V9tSK55R/bofDMLTkDpuwYWkks=";
+  release."SMTCoq-2.2+8.18".hash = "sha256-1iJAruI5Qn9nTZcUDjk8t/1Q+eFkYLOe9Ee0DmK03w8=";
+  release."SMTCoq-2.2+8.17".hash = "sha256-kaodsyVUl1+QQagzoBTIjxbdD4X3IaaH0x2AsVUL+Z0=";
+  release."SMTCoq-2.2+8.16".hash = "sha256-Hwm8IFlw97YiOY6H63HyJlwIXvQHr9lqc1+PgTnBtkw=";
+  release."SMTCoq-2.2+8.15".hash = "sha256-+GYOasJ32KJyOfqJlTtFmsJ2exd6gdueKwHdeMPErTo=";
+  release."SMTCoq-2.2+8.14".hash = "sha256-jqnF33E/4CqR1HSrLmUmLVCKslw9h3bbWi4YFmFYrhY=";
+  release."SMTCoq-2.2+8.13".hash = "sha256-AVpKU/SLaLYnCnx6GOEPGJjwbRrp28Fs5O50kJqdclI=";
   release."SMTCoq-2.1+8.16".rev = "4996c00b455bfe98400e96c954839ceea93efdf7";
-  release."SMTCoq-2.1+8.16".sha256 = "sha256-k53e+frUjwq+ZZKbbOKd/EfVC40QeAzB2nCsGkCKnHA=";
+  release."SMTCoq-2.1+8.16".hash = "sha256-k53e+frUjwq+ZZKbbOKd/EfVC40QeAzB2nCsGkCKnHA=";
   release."SMTCoq-2.1+8.14".rev = "e11d9b424b0113f32265bcef0ddc962361da4dae";
-  release."SMTCoq-2.1+8.14".sha256 = "sha256-4a01/CRHUon2OfpagAnMaEVkBFipPX3MCVmSFS1Bnt4=";
+  release."SMTCoq-2.1+8.14".hash = "sha256-4a01/CRHUon2OfpagAnMaEVkBFipPX3MCVmSFS1Bnt4=";
   release."SMTCoq-2.1+8.13".rev = "d02269c43739f4559d83873563ca00daad9faaf1";
-  release."SMTCoq-2.1+8.13".sha256 = "sha256-VZetGghdr5uJWDwZWSlhYScoNEoRHIbwqwJKSQyfKKg=";
+  release."SMTCoq-2.1+8.13".hash = "sha256-VZetGghdr5uJWDwZWSlhYScoNEoRHIbwqwJKSQyfKKg=";
 
   releaseRev = v: v;