diff --git a/yesod-core.cabal b/yesod-core.cabal
--- a/yesod-core.cabal
+++ b/yesod-core.cabal
@@ -1,5 +1,5 @@
 name:            yesod-core
-version:         1.2.20
+version:         1.2.20.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -41,7 +41,7 @@
                    , transformers          >= 0.2.2
                    , mtl
                    , clientsession         >= 0.9      && < 0.10
-                   , random                >= 1.0.0.2  && < 1.1
+                   , random                >= 1.0.0.2  && < 1.2
                    , cereal                >= 0.3
                    , old-locale            >= 1.0.0.2  && < 1.1
                    , containers            >= 0.2