diff --git a/semigroups.cabal b/semigroups.cabal
--- a/semigroups.cabal
+++ b/semigroups.cabal
@@ -1,6 +1,6 @@
 name:          semigroups
 category:      Algebra, Data, Data Structures, Math
-version:       0.8.3
+version:       0.8.3.1
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
@@ -37,7 +37,7 @@
   else
     build-depends:
       base >= 3 && < 5,
-      containers >= 0.3 && < 0.5
+      containers >= 0.3 && < 0.6
 
   ghc-options: -Wall