diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
-## [v1.3.1.0](https://github.com/diagrams/diagrams-lib/tree/v1.3.0.9) (2016-02-14)
+## [v1.3.1.1](https://github.com/diagrams/diagrams-lib/tree/v1.3.1.1) (2016-02-19)
+
+  - allow `unordered-containers-0.2.*`
+
+[Full Changelog](https://github.com/diagrams/diagrams-lib/compare/v1.3.1.0...v1.3.1.1)
+
+## [v1.3.1.0](https://github.com/diagrams/diagrams-lib/tree/v1.3.1.0) (2016-02-14)
 
 - improve path offset calculations
 
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:             1.3.1.0
+Version:             1.3.1.1
 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
@@ -124,7 +124,7 @@
                        process >= 1.1 && < 1.3,
                        fsnotify >= 0.2.1 && < 0.3,
                        directory >= 1.2 && < 1.3,
-                       unordered-containers >= 0.2 && < 0.2.7,
+                       unordered-containers >= 0.2 && < 0.3,
                        text >= 0.7.1 && < 1.3,
                        mtl >= 2.0 && < 2.3,
                        transformers >= 0.3.0 && < 0.5.0,