diff --git a/engine-io-wai.cabal b/engine-io-wai.cabal
--- a/engine-io-wai.cabal
+++ b/engine-io-wai.cabal
@@ -1,5 +1,5 @@
 name: engine-io-wai
-version: 1.0.5
+version: 1.0.6
 homepage: http://github.com/ocharles/engine.io
 license: BSD3
 license-file: LICENSE
@@ -20,18 +20,18 @@
         Network.EngineIO.Wai
 
     build-depends:
-        base >=4.6 && <4.9,
+        base >=4.6 && <4.10,
         engine-io >= 1.2 && < 1.3,
         http-types >= 0.8 && < 0.10,
         unordered-containers >= 0.2 && < 0.3,
         wai >= 3.0 && < 3.3,
         text >= 1.1 && < 1.3,
         bytestring >= 0.9 && <0.11,
-        websockets >= 0.8 && < 0.10,
+        websockets >= 0.8 && < 0.11,
         wai-websockets >= 3 && < 3.1,
         mtl >= 2 && < 2.3,
         either >= 4,
-        transformers >= 0.2 && < 0.5,
+        transformers >= 0.2 && < 0.6,
         transformers-compat >= 0.4,
         attoparsec >= 0.10 && < 0.14