diff --git a/proto-lens-arbitrary.cabal b/proto-lens-arbitrary.cabal
--- a/proto-lens-arbitrary.cabal
+++ b/proto-lens-arbitrary.cabal
@@ -1,5 +1,5 @@
 name:                proto-lens-arbitrary
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Arbitrary instances for proto-lens.
 description:
   The proto-lens-arbitrary allows generating arbitrary messages for
@@ -19,7 +19,7 @@
   hs-source-dirs: src
   exposed-modules:     Data.ProtoLens.Arbitrary
   build-depends:  proto-lens == 0.1.*
-                , base == 4.8.*
+                , base >= 4.8 && < 4.10
                 , bytestring == 0.10.*
                 , containers == 0.5.*
                 , text == 1.2.*