diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+* v 0.3.1.3 2017-08-22
+  * fixed bound on base in test suite
+
 * v 0.3.1.2 2017-08-15
   * provided compatible versions of take, drop, length, replicate, splitAt
   * added missing mixed-type subtraction combination to Ring etc.
diff --git a/mixed-types-num.cabal b/mixed-types-num.cabal
--- a/mixed-types-num.cabal
+++ b/mixed-types-num.cabal
@@ -1,5 +1,5 @@
 name:           mixed-types-num
-version:        0.3.1.2
+version:        0.3.1.3
 cabal-version:  >= 1.9.2
 build-type:     Simple
 homepage:       https://github.com/michalkonecny/mixed-types-num
@@ -94,7 +94,7 @@
     Numeric.MixedTypes.RingSpec
     Numeric.MixedTypes.RoundSpec
   build-depends:
-    base >= 4.8 && < 4.10
+    base >= 4.8 && < 4.11
     , mixed-types-num
     , hspec >= 2.1 && < 2.5
     , hspec-smallcheck >= 0.3 && < 0.5