diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,9 @@
+1.3.0.8 (10 November 2015)
+--------------------------
+
+- allow `semigroups-0.18`
+
+
 1.3.0.7 (28 September 2015)
 ---------------------------
 
diff --git a/diagrams-contrib.cabal b/diagrams-contrib.cabal
--- a/diagrams-contrib.cabal
+++ b/diagrams-contrib.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-contrib
-version:             1.3.0.7
+version:             1.3.0.8
 synopsis:            Collection of user contributions to diagrams EDSL
 description:         A collection of user contributions for diagrams,
                      an embedded domain-specific language for generation
@@ -63,7 +63,7 @@
                        parsec >= 3.1 && < 3.2,
                        text >= 0.11 && < 1.3,
                        data-default-class < 0.1,
-                       semigroups >= 0.3.4 && < 0.18
+                       semigroups >= 0.3.4 && < 0.19
   hs-source-dirs:      src
   default-language:    Haskell2010