diff --git a/snap.cabal b/snap.cabal
--- a/snap.cabal
+++ b/snap.cabal
@@ -1,5 +1,5 @@
 name:           snap
-version:        0.11.2
+version:        0.11.2.1
 synopsis:       Top-level package for the Snap Web Framework
 description:
     This is the top-level package for the official Snap Framework libraries.
@@ -146,7 +146,7 @@
     attoparsec                >= 0.10     && < 0.11,
     bytestring                >= 0.9.1    && < 0.11,
     cereal                    >= 0.3      && < 0.4,
-    clientsession             >= 0.8      && < 0.9,
+    clientsession             >= 0.8      && < 0.10,
     comonad                   >= 1.1      && < 3.1,
     configurator              >= 0.1      && < 0.3,
     containers                >= 0.3      && < 0.6,
diff --git a/test/snap-testsuite.cabal b/test/snap-testsuite.cabal
--- a/test/snap-testsuite.cabal
+++ b/test/snap-testsuite.cabal
@@ -28,7 +28,7 @@
     attoparsec                 >= 0.10     && < 0.11,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.4,
-    clientsession              >= 0.8      && < 0.9,
+    clientsession              >= 0.8      && < 0.10,
     comonad                    >= 1.1      && < 3.1,
     configurator               >= 0.1      && < 0.3,
     containers                 >= 0.3      && < 0.6,
@@ -99,7 +99,7 @@
     attoparsec                 >= 0.10     && < 0.11,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.4,
-    clientsession              >= 0.8      && < 0.9,
+    clientsession              >= 0.8      && < 0.10,
     comonad                    >= 1.1      && < 3.1,
     configurator               >= 0.1      && < 0.3,
     containers                 >= 0.3      && < 0.6,
@@ -179,7 +179,7 @@
     attoparsec                 >= 0.10     && < 0.11,
     bytestring                 >= 0.9.1    && < 0.11,
     cereal                     >= 0.3      && < 0.4,
-    clientsession              >= 0.8      && < 0.9,
+    clientsession              >= 0.8      && < 0.10,
     comonad                    >= 1.1      && < 3.1,
     configurator               >= 0.1      && < 0.3,
     containers                 >= 0.3      && < 0.6,