diff --git a/shikensu.cabal b/shikensu.cabal
--- a/shikensu.cabal
+++ b/shikensu.cabal
@@ -1,5 +1,5 @@
 name: shikensu
-version: 0.3.0
+version: 0.3.1
 category: File IO
 
 synopsis:
@@ -48,7 +48,7 @@
 
   build-depends:
     aeson == 1.0.*,
-    base == 4.*,
+    base >= 4.8 && < 5,
     bytestring == 0.10.*,
     directory == 1.3.*,
     filepath == 1.4.*,