diff --git a/proto-lens.cabal b/proto-lens.cabal
--- a/proto-lens.cabal
+++ b/proto-lens.cabal
@@ -1,5 +1,5 @@
 name:                proto-lens
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            A lens-based implementation of protocol buffers in Haskell.
 description:
   The proto-lens library provides to protocol buffers using modern
@@ -33,7 +33,7 @@
                        Data.ProtoLens.Encoding.Wire
                        Data.ProtoLens.TextFormat.Parser
   build-depends:  attoparsec == 0.13.*
-                , base == 4.8.*
+                , base >= 4.8 && < 4.10
                 , bytestring == 0.10.*
                 , containers == 0.5.*
                 , data-default-class == 0.0.*
@@ -41,5 +41,5 @@
                 , parsec == 3.1.*
                 , pretty == 1.1.*
                 , text == 1.2.*
-                , transformers == 0.4.*
+                , transformers >= 0.4 && < 0.6
                 , void == 0.7.*