diff --git a/snap.cabal b/snap.cabal
--- a/snap.cabal
+++ b/snap.cabal
@@ -1,5 +1,5 @@
 name:           snap
-version:        0.9.0
+version:        0.9.0.1
 synopsis:       Snap: A Haskell Web Framework: project starter executable and glue code library
 description:    Snap Framework project starter executable and glue code library
 license:        BSD3
@@ -124,7 +124,7 @@
     cereal                    >= 0.3      && < 0.4,
     clientsession             >= 0.7.3.6  && < 0.8,
     configurator              >= 0.1      && < 0.3,
-    containers                >= 0.3      && < 0.5,
+    containers                >= 0.3      && < 0.6,
     directory                 >= 1.0      && < 1.2,
     directory-tree            >= 0.10     && < 0.11,
     data-lens                 >= 2.0.1    && < 2.11,
@@ -186,7 +186,7 @@
   build-depends:
     base                >= 4       && < 5,
     bytestring          >= 0.9.1   && < 0.10,
-    containers          >= 0.3     && < 0.5,
+    containers          >= 0.3     && < 0.6,
     directory           >= 1.0     && < 1.2,
     directory-tree      >= 0.10    && < 0.11,
     filepath            >= 1.1     && < 1.4,
