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 52b15fbf4f3a..b2d32bf32c00 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
@@ -187,7 +187,8 @@ in {
   servant-swagger = doJailbreak super.servant-swagger;
   servant-client-core = doJailbreak super.servant-client-core;
   servant-client = doJailbreak super.servant-client;
-  relude = doJailbreak super.relude;
+  # https://github.com/kowainik/relude/issues/436
+  relude = dontCheck (doJailbreak super.relude);
 
   # Fixes compilation failure with GHC >= 9.4 on aarch64-* due to an API change
   cborg = appendPatch (pkgs.fetchpatch {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 093b21d6db56..640593699bd7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19821,7 +19821,8 @@ with pkgs;
   c-blosc = callPackage ../development/libraries/c-blosc { };
 
   # justStaticExecutables is needed due to https://github.com/NixOS/nix/issues/2990
-  cachix = haskell.lib.justStaticExecutables haskellPackages.cachix;
+  # ghc94: https://discourse.haskell.org/t/facing-mmap-4096-bytes-at-nil-cannot-allocate-memory-youre-not-alone/6259
+  cachix = haskell.lib.justStaticExecutables haskell.packages.ghc94.cachix;
 
   calcium = callPackage ../development/libraries/calcium { };