diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index 108f03ac1219..d95268142241 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -383,7 +383,9 @@ let
       cabal-install = released;
       Cabal_3_6_3_0 = released;
       Cabal_3_8_1_0 = released;
+      Cabal-syntax_3_8_1_0 = released;
       Cabal_3_10_1_0 = released;
+      Cabal-syntax_3_10_1_0 = released;
       cabal2nix = lib.subtractLists [
         compilerNames.ghc961
       ] released;