diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+## [v0.2.0.6](https://github.com/diagrams/active/tree/v0.2.0.6) (2015-09-17)
+
+- allow `semigroups-0.17` in test suite
+
 ## [v0.2.0.5](https://github.com/diagrams/active/tree/v0.2.0.5) (2015-09-15)
 
 - allow `semigroups-0.17`
diff --git a/active.cabal b/active.cabal
--- a/active.cabal
+++ b/active.cabal
@@ -1,5 +1,5 @@
 name:                active
-version:             0.2.0.5
+version:             0.2.0.6
 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 && < 4.9,
                        vector >= 0.10,
-                       semigroups >= 0.1 && < 0.17,
+                       semigroups >= 0.1 && < 0.18,
                        semigroupoids >= 1.2 && < 5.1,
                        lens >= 4.0 && < 4.14,
                        linear >= 1.14 && < 1.21,