diff --git a/speculate.cabal b/speculate.cabal
--- a/speculate.cabal
+++ b/speculate.cabal
@@ -1,5 +1,5 @@
 name:                speculate
-version:             0.3.3
+version:             0.3.4
 synopsis:            discovery of properties about Haskell functions
 description:
   Speculate automatically discovers laws about Haskell functions.
@@ -31,7 +31,7 @@
 source-repository this
   type:            git
   location:        https://github.com/rudymatela/speculate
-  tag:             v0.3.3
+  tag:             v0.3.4
 
 
 library
@@ -70,7 +70,7 @@
                  , Test.Speculate.Utils.Timeout
                  , Test.Speculate.Utils.Tuple
                  , Test.Speculate.Utils.Typeable
-  build-depends: base >= 4 && < 5, leancheck >= 0.7, cmdargs, containers
+  build-depends: base >= 4 && < 5, leancheck >= 0.7.2, cmdargs, containers
   hs-source-dirs:    src
   default-language:  Haskell2010