diff --git a/hoppy-std.cabal b/hoppy-std.cabal
--- a/hoppy-std.cabal
+++ b/hoppy-std.cabal
@@ -1,5 +1,5 @@
 name: hoppy-std
-version: 0.2.0
+version: 0.2.1
 synopsis: C++ FFI generator - Standard library bindings
 homepage: http://khumba.net/projects/hoppy
 license: Apache-2.0
@@ -35,7 +35,7 @@
       Foreign.Hoppy.Generator.Std.Internal
     , Paths_hoppy_std
   build-depends:
-      base >=4.7 && <4.9
+      base >=4.7 && <5
     , filepath >=1.0 && <1.5
     , haskell-src >=1.0 && <1.1
     , hoppy-generator >=0.2 && <0.3