diff --git a/wai-handler-fastcgi.cabal b/wai-handler-fastcgi.cabal
--- a/wai-handler-fastcgi.cabal
+++ b/wai-handler-fastcgi.cabal
@@ -1,5 +1,5 @@
 name:            wai-handler-fastcgi
-version:         1.3.0.2
+version:         2.0.0
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -15,8 +15,8 @@
 
 library
     build-depends:   base              >= 4           && < 5
-                   , wai               >= 1.3         && < 1.5
-                   , wai-extra         >= 1.3         && < 1.4
+                   , wai               >= 2.0         && < 2.1
+                   , wai-extra         >= 2.0         && < 2.1
                    , bytestring        >= 0.9.1.4
     exposed-modules: Network.Wai.Handler.FastCGI
     ghc-options:     -Wall