diff --git a/internals/json2nix/default.nix b/internals/json2nix/default.nix
index 81d35c6..7e50818 100644
--- a/internals/json2nix/default.nix
+++ b/internals/json2nix/default.nix
@@ -1,7 +1,7 @@
 { pkgs, ... }:
 let
   overlayedPkgs = pkgs.extend
-    (pkgs.callPackage ./haskell-overlay.nix { compiler = "ghc942"; });
+    (pkgs.callPackage ./haskell-overlay.nix { compiler = "ghc924"; });
 in overlayedPkgs.writers.writeHaskellBin "json2nix" {
   libraries = with overlayedPkgs.haskellPackages; [ aeson nixfmt extra text ];
 } (builtins.readFile ./json2nix.hs)