diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 5eeadfaa..16ed1734 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -195,6 +195,7 @@ jobs:
           echo "package xmonad" >> cabal.project
           echo "    ghc-options: -Werror=missing-methods" >> cabal.project
           cat >> cabal.project <<EOF
+          allow-newer:  semirings:containers
           optimization: False
 
           package xmonad
diff --git a/cabal.project b/cabal.project
index 6015e48d..ba278561 100644
--- a/cabal.project
+++ b/cabal.project
@@ -2,3 +2,6 @@
 
 packages:
   xmonad.cabal
+
+allow-newer:
+  semirings:containers