diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
index f8e6cdb8193a..87cf1c868338 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
@@ -166,7 +166,7 @@ self: super: {
   # 2021-09-18: Need path >= 0.9.0 for ghc 9 compat
   path = self.path_0_9_0;
   # 2021-09-18: Need ormolu >= 0.3.0.0 for ghc 9 compat
-  ormolu = doDistribute self.ormolu_0_3_0_1;
+  ormolu = doDistribute self.ormolu_0_3_1_0;
   # 2021-09-18: https://github.com/haskell/haskell-language-server/issues/2206
   # Restrictive upper bound on ormolu
   hls-ormolu-plugin = doJailbreak super.hls-ormolu-plugin;