diff --git a/snap-core.cabal b/snap-core.cabal
index fd9e7fa7..e38c1dc2 100644
--- a/snap-core.cabal
+++ b/snap-core.cabal
@@ -163,7 +163,7 @@ Library
     time >= 1.0 && < 1.5,
     transformers == 0.2.*,
     unix-compat >= 0.2 && <0.4,
-    unordered-containers >= 0.1.4.3 && <0.2,
+    unordered-containers >= 0.1.4.3 && <0.3,
     vector >= 0.6 && <0.10,
     zlib-enum >= 0.2.1 && <0.3
 
diff --git a/test/snap-core-testsuite.cabal b/test/snap-core-testsuite.cabal
index 4ea09578..cf2ffb92 100644
--- a/test/snap-core-testsuite.cabal
+++ b/test/snap-core-testsuite.cabal
@@ -55,7 +55,7 @@ Executable testsuite
     time,
     transformers,
     unix-compat >= 0.2 && <0.4,
-    unordered-containers >= 0.1.4.3 && <0.2,
+    unordered-containers >= 0.1.4.3 && <0.3,
     vector >= 0.6 && <0.10,
     zlib,
     zlib-enum >= 0.2.1 && <0.3