diff --git a/snap-core.cabal b/snap-core.cabal
--- a/snap-core.cabal
+++ b/snap-core.cabal
@@ -1,5 +1,5 @@
 name:           snap-core
-version:        1.0.2.0
+version:        1.0.2.1
 synopsis:       Snap: A Haskell Web Framework (core interfaces and types)
 
 description:
@@ -139,7 +139,7 @@
     directory                 >= 1       && < 2,
     filepath                  >= 1.1     && < 2.0,
     lifted-base               >= 0.1     && < 0.3,
-    io-streams                >= 1.3     && < 1.4,
+    io-streams                >= 1.3     && < 1.5,
     hashable                  >= 1.2.0.6 && < 1.3,
     monad-control             >= 1.0     && < 1.1,
     mtl                       >= 2.0     && < 2.3,