diff --git a/jsaddle-warp.cabal b/jsaddle-warp.cabal
--- a/jsaddle-warp.cabal
+++ b/jsaddle-warp.cabal
@@ -1,5 +1,5 @@
 name: jsaddle-warp
-version: 0.9.6.0
+version: 0.9.7.0
 cabal-version: >=1.10
 build-type: Simple
 license: MIT
@@ -10,7 +10,7 @@
     This package provides an EDSL for calling JavaScript that
     can be used both from GHCJS and GHC.  When using GHC
     the application is run using Warp and WebSockets to
-    drive a small JavaScipt helper.
+    drive a small JavaScript helper.
 category: Web, Javascript
 author: Hamish Mackenzie
 
@@ -35,7 +35,7 @@
             jsaddle >=0.9.4.0 && <0.10,
             stm >=2.4.4 && <2.6,
             text >=1.2.1.3 && <1.3,
-            time >=1.5.0.1 && <1.9,
+            time >=1.5.0.1 && <1.10,
             transformers >=0.4.2.0 && <0.6,
             wai >=3.0.3.0 && <3.3,
             wai-websockets >=3.0.0.6 && <3.1,
@@ -81,7 +81,7 @@
             wai -any,
             wai-websockets -any,
             warp -any,
-            webdriver >=0.8.4 && <0.9,
+            webdriver >=0.8.4 && <1.0,
             websockets -any
     type: exitcode-stdio-1.0
     main-is: DocTest.hs
diff --git a/src/Language/Javascript/JSaddle/WebSockets.hs b/src/Language/Javascript/JSaddle/WebSockets.hs
--- a/src/Language/Javascript/JSaddle/WebSockets.hs
+++ b/src/Language/Javascript/JSaddle/WebSockets.hs
@@ -176,7 +176,7 @@
 -- sed -e 's|\\|\\\\|g' -e 's|^|    \\|' -e 's|$|\\n\\|' -e 's|"|\\"|g' data/jsaddle.js | pbcopy
 jsaddleJs' :: Maybe ByteString -> Bool -> ByteString
 jsaddleJs' jsaddleUri refreshOnLoad = "\
-    \if(typeof global !== \"undefined\") {\n\
+    \if(typeof global !== \"undefined\" && typeof require === \"function\") {\n\
     \    global.window = global;\n\
     \    global.WebSocket = require('ws');\n\
     \}\n\