diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [v1.3.0.8](https://github.com/diagrams/diagrams-lib/tree/v1.3.0.7) (2015-11-10)
+
+- allow `semigroups-0.18`
+
+[Full Changelog](https://github.com/diagrams/diagrams-lib/compare/v1.3.0.7...v1.3.0.8)
+
 ## [v1.3.0.7](https://github.com/diagrams/diagrams-lib/tree/v1.3.0.7) (2015-10-08) ##
 
 - Add `LambdaCase` extension to `.cabal` file, so `cabal` correctly
diff --git a/diagrams-lib.cabal b/diagrams-lib.cabal
--- a/diagrams-lib.cabal
+++ b/diagrams-lib.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-lib
-Version:             1.3.0.7
+Version:             1.3.0.8
 Synopsis:            Embedded domain-specific language for declarative graphics
 Description:         Diagrams is a flexible, extensible EDSL for creating
                      graphics of many types.  Graphics can be created
@@ -102,7 +102,7 @@
   Build-depends:       base >= 4.2 && < 4.9,
                        containers >= 0.3 && < 0.6,
                        array >= 0.3 && < 0.6,
-                       semigroups >= 0.3.4 && < 0.18,
+                       semigroups >= 0.3.4 && < 0.19,
                        monoid-extras >= 0.3 && < 0.5,
                        dual-tree >= 0.2 && < 0.3,
                        diagrams-core >= 1.3 && < 1.4,