diff --git a/hyphenation.cabal b/hyphenation.cabal
--- a/hyphenation.cabal
+++ b/hyphenation.cabal
@@ -1,6 +1,6 @@
 name:          hyphenation
 category:      Text
-version:       0.2.1
+version:       0.2.1.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -38,8 +38,8 @@
 
 library
   build-depends:
-    base                 >= 4 && < 5,
-    containers           >= 0.3.0.0 && < 0.5,
+    base                 >= 4       && < 5,
+    containers           >= 0.3.0.0 && < 0.6,
     unordered-containers >= 0.2.1   && < 0.3
 
   exposed-modules: