diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [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
+  reports that `diagrams-lib` does not build on `GHC-7.4`.
+
+[Full Changelog](https://github.com/diagrams/diagrams-lib/compare/v1.3.0.6...v1.3.0.7)
+
 ## [v1.3.0.6](https://github.com/diagrams/diagrams-lib/tree/v1.3.0.6) (2015-09-29) ##
 
 - Allow `optparse-applicative-0.12`
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:             1.3.0.6
+Version:             1.3.0.7
 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
@@ -138,4 +138,5 @@
     DeriveFunctor, DeriveGeneric, EmptyDataDecls, ExistentialQuantification,
     GADTs, GeneralizedNewtypeDeriving, NoMonomorphismRestriction, Rank2Types,
     RankNTypes, ScopedTypeVariables, StandaloneDeriving, TemplateHaskell,
-    TypeOperators, TypeSynonymInstances, UndecidableInstances, ViewPatterns
+    TypeOperators, TypeSynonymInstances, UndecidableInstances, ViewPatterns,
+    LambdaCase
