diff --git a/eventium-testkit.cabal b/eventium-testkit.cabal
--- a/eventium-testkit.cabal
+++ b/eventium-testkit.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           eventium-testkit
-version:        0.6.1
+version:        0.7.0
 synopsis:       Testing utilities for eventium
 description:    Eventium-testkit provides common testing utilities and helper functions for testing Eventium-based
                 applications. It includes utilities for event store testing, serialization testing, and common test fixtures
@@ -44,7 +44,7 @@
   build-depends:
       aeson >=1.5 && <2.3
     , base >=4.20 && <5
-    , eventium-core >=0.6.1 && <0.7.0
+    , eventium-core >=0.7.0 && <0.8.0
     , extra ==1.7.*
     , hspec >=2.8 && <2.12
     , monad-logger ==0.3.*
diff --git a/src/Eventium/Testkit.hs b/src/Eventium/Testkit.hs
--- a/src/Eventium/Testkit.hs
+++ b/src/Eventium/Testkit.hs
@@ -348,7 +348,7 @@
       ( forall a.
         ( VersionedEventStoreWriter m CounterEvent ->
           VersionedEventStoreReader m CounterEvent ->
-          VersionedProjectionCache Counter m ->
+          VersionedProjectionCache m Counter ->
           m a
         ) ->
         IO a
@@ -388,7 +388,7 @@
       ( forall a.
         ( VersionedEventStoreWriter m CounterEvent ->
           GlobalEventStoreReader m CounterEvent ->
-          GlobalProjectionCache Counter m ->
+          GlobalProjectionCache m Counter ->
           m a
         ) ->
         IO a