diff --git a/activehs-base.cabal b/activehs-base.cabal
--- a/activehs-base.cabal
+++ b/activehs-base.cabal
@@ -1,5 +1,5 @@
 name:                activehs-base
-version:             0.3.0.2
+version:             0.3.0.3
 category:            Education, Documentation
 synopsis:            Basic definitions for activehs
 description:
@@ -21,7 +21,7 @@
   Exposed-Modules:
     ActiveHs.Base
   Build-Depends:
-    base >= 4.0 && < 4.7,
-    QuickCheck >= 2.4 && < 2.6
+    base >= 4.0 && < 4.9,
+    QuickCheck >= 2.4 && < 2.8