diff --git a/cabal.project b/cabal.project
index 64f0ed9..4d34af7 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,3 +1,3 @@
 packages: ./
 
-with-compiler: ghc-8.10
+with-compiler: ghc-9.4.8
diff --git a/effectful-cache.cabal b/effectful-cache.cabal
index 9863178..6b808ba 100644
--- a/effectful-cache.cabal
+++ b/effectful-cache.cabal
@@ -48,9 +48,9 @@ library
   hs-source-dirs:  src
   exposed-modules: Effectful.Cache
   build-depends:
-    , base            <=4.17
+    , base            <5
     , cache
-    , effectful-core ^>=1.0
+    , effectful-core >=1.0 && <2.4
     , hashable
 
 test-suite effectful-cache-test