diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,10 @@
+0.1.0.13 (20 April 2014)
+------------------------
+
+  * allow semigroups-0.13 in test suite too
+
 0.1.0.12 (10 April 2014)
+------------------------
 
   * allow semigroups-0.13
 
diff --git a/active.cabal b/active.cabal
--- a/active.cabal
+++ b/active.cabal
@@ -1,5 +1,5 @@
 name:                active
-version:             0.1.0.12
+version:             0.1.0.13
 synopsis:            Abstractions for animation
 description:         "Active" abstraction for animated things with finite start and end times.
 license:             BSD3
@@ -33,7 +33,7 @@
     main-is:           active-tests.hs
     build-depends:     base >= 4.0 && < 4.8,
                        array >= 0.3 && < 0.6,
-                       semigroups >= 0.1 && < 0.13,
+                       semigroups >= 0.1 && < 0.14,
                        semigroupoids >= 1.2 && < 4.1,
                        vector-space >= 0.8 && < 0.9,
                        newtype >= 0.2 && < 0.3,