diff --git a/essence-of-live-coding-pulse.cabal b/essence-of-live-coding-pulse.cabal
--- a/essence-of-live-coding-pulse.cabal
+++ b/essence-of-live-coding-pulse.cabal
@@ -1,5 +1,5 @@
 name:                essence-of-live-coding-pulse
-version:             0.1.0.1
+version:             0.1.0.3
 synopsis: General purpose live coding framework - pulse backend
 description:
   essence-of-live-coding is a general purpose and type safe live coding framework.
@@ -30,7 +30,7 @@
     LiveCoding.Pulse
     LiveCoding.Pulse.GHCi
   build-depends:
-      base >= 4.11 && <4.13
+      base >= 4.11 && < 5
     , essence-of-live-coding
     , transformers
     , pulse-simple == 0.1.*