diff --git a/eventium-memory.cabal b/eventium-memory.cabal
--- a/eventium-memory.cabal
+++ b/eventium-memory.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           eventium-memory
-version:        0.4.0
+version:        0.5.0
 synopsis:       In-memory implementations for eventium
 description:    Eventium-memory provides in-memory implementations of event stores and projection caches
                 for the Eventium event sourcing framework. This package is ideal for development, testing, and prototyping
@@ -49,7 +49,7 @@
   build-depends:
       base >=4.9 && <5
     , containers >=0.6 && <0.8
-    , eventium-core >=0.4.0 && <0.5.0
+    , eventium-core >=0.5.0 && <0.6.0
     , mtl >=2.2 && <2.4
     , safe ==0.3.*
     , stm ==2.5.*
@@ -89,7 +89,7 @@
       HUnit
     , base >=4.9 && <5
     , containers >=0.6 && <0.8
-    , eventium-core >=0.4.0 && <0.5.0
+    , eventium-core >=0.5.0 && <0.6.0
     , eventium-testkit
     , hspec
     , mtl >=2.2 && <2.4