diff --git a/flake.lock b/flake.lock
index 9ed543f503d..302857ebbc0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1102,11 +1102,11 @@
         "tullia": "tullia_3"
       },
       "locked": {
-        "lastModified": 1678668655,
-        "narHash": "sha256-1newcAVTWj8TU6xBH5/PRLs6NFPO/xcCTeOATxkiFds=",
+        "lastModified": 1679014270,
+        "narHash": "sha256-ydAiOHzogqVa0PDBUPJR1WcZsijJEQyKMRaySZo+dNI=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "a6825537df7c0834a4410f652b6659e07ec5bde3",
+        "rev": "25d82a0091227c7d4c0eb18fba522559a58bd3db",
         "type": "github"
       },
       "original": {
@@ -2478,11 +2478,11 @@
     "stackage_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1678666233,
-        "narHash": "sha256-vK+SiiHPmteMQK19rfFFVjprbYMitBrMLRUrQ3AaMiM=",
+        "lastModified": 1679011783,
+        "narHash": "sha256-3tqEBYPToq0K0aJ+CvyTunmCArQjF5+AlL3BGbkbfvM=",
         "owner": "input-output-hk",
         "repo": "stackage.nix",
-        "rev": "ff8a5cb2400b0e9f1a264e0a4bf764f9958c66b8",
+        "rev": "8ebbee5894003ed558bec9a6b372afe514a6405d",
         "type": "github"
       },
       "original": {
diff --git a/nix/haskell.nix b/nix/haskell.nix
index fd9dd931233..277a68821e9 100644
--- a/nix/haskell.nix
+++ b/nix/haskell.nix
@@ -21,7 +21,7 @@ let
       name = "cardano-node";
       compiler-nix-name = lib.mkDefault "ghc8107";
       # extra-compilers
-      flake.variants = lib.genAttrs ["ghc925"] (x: {compiler-nix-name = x;});
+      flake.variants = lib.genAttrs ["ghc927"] (x: {compiler-nix-name = x;});
       cabalProjectLocal = ''
         allow-newer: terminfo:base
       '' + lib.optionalString pkgs.stdenv.hostPlatform.isWindows ''