diff --git a/ghc-lib.cabal b/ghc-lib.cabal
--- a/ghc-lib.cabal
+++ b/ghc-lib.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 build-type: Simple
 name: ghc-lib
-version: 9.12.1.20250103
+version: 9.12.1.20250105
 license: BSD-3-Clause
 license-file: LICENSE
 category: Development
@@ -106,8 +106,8 @@
         semaphore-compat,
         rts,
         hpc >= 0.6 && < 0.8,
-        ghc-lib-parser == 9.12.1.20250103
-    build-tool-depends: alex:alex >= 3.1 && < 3.5.2.0, happy:happy == 1.20.* || == 2.0.2 || >= 2.1.2 && < 2.2
+        ghc-lib-parser == 9.12.1.20250105
+    build-tool-depends: alex:alex >= 3.1, happy:happy == 1.20.* || == 2.0.2 || >= 2.1.2 && < 2.2
     other-extensions:
         BangPatterns
         CPP