diff --git a/wai-handler-scgi.cabal b/wai-handler-scgi.cabal
--- a/wai-handler-scgi.cabal
+++ b/wai-handler-scgi.cabal
@@ -1,5 +1,5 @@
 name:            wai-handler-scgi
-version:         2.0.0
+version:         2.0.0.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -14,8 +14,8 @@
 
 library
     build-depends:   base                >= 4           && < 5
-                   , wai                 >= 2.0         && < 2.1
-                   , wai-extra           >= 2.0         && < 2.1
+                   , wai                 >= 2.0         && < 2.2
+                   , wai-extra           >= 2.0         && < 2.2
                    , bytestring          >= 0.9.1.4
     exposed-modules: Network.Wai.Handler.SCGI
     ghc-options:     -Wall