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-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
index 82cbf5ff23aa..653187007b31 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
@@ -92,6 +92,9 @@ in {
 
   ghc-tags = self.ghc-tags_1_6;
 
+  # A given major version of ghc-exactprint only supports one version of GHC.
+  ghc-exactprint = super.ghc-exactprint_1_6_1_3;
+
   # Too strict upper bound on template-haskell
   # https://github.com/mokus0/th-extras/issues/18
   th-extras = doJailbreak super.th-extras;