diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
index 27b955e6efe8..a23364a73149 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
@@ -166,7 +166,7 @@ self: super: {
       hls-floskell-plugin = null;
     };
 
-  fourmolu = super.fourmolu_0_13_1_0;
+  fourmolu = super.fourmolu_0_14_0_0;
   ormolu = self.generateOptparseApplicativeCompletions [ "ormolu" ] (enableSeparateBinOutput super.ormolu_0_7_2_0);
   stylish-haskell = super.stylish-haskell_0_14_5_0;