diff --git a/shake.cabal b/shake.cabal
--- a/shake.cabal
+++ b/shake.cabal
@@ -1,7 +1,7 @@
 cabal-version:      >= 1.6
 build-type:         Simple
 name:               shake
-version:            0.2.6
+version:            0.2.7
 license:            BSD3
 license-file:       LICENSE
 category:           Development
@@ -56,7 +56,7 @@
         binary,
         filepath,
         process,
-        unordered-containers,
+        unordered-containers >= 0.1.4.3 && < 1.2,
         bytestring,
         time,
         transformers == 0.2.*,