diff --git a/pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix b/pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix
index 729edf44a4f..23bd3dd3267 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/withWrapper.nix
@@ -1,4 +1,4 @@
-{ lib, supportedGhcVersions ? [ "884" "8104" "8107" ], stdenv, haskellPackages
+{ lib, supportedGhcVersions ? [ "884" "8104" ], stdenv, haskellPackages
 , haskell }:
 #
 # The recommended way to override this package is
diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index 9a57989430e..48128489bbd 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -207,7 +207,7 @@ let
       # package sets (like Cabal, jailbreak-cabal) are
       # working as expected.
       cabal-install = all;
-      Cabal_3_6_0_0 = with compilerNames; [ ghc884 ghc8104 ghc8107 ];
+      Cabal_3_4_0_0 = with compilerNames; [ ghc884 ghc8104 ghc8107 ];
       funcmp = all;
       # Doesn't currently work on ghc-9.0:
       # https://github.com/haskell/haskell-language-server/issues/297