diff --git a/Network/Wai.hs b/Network/Wai.hs
--- a/Network/Wai.hs
+++ b/Network/Wai.hs
@@ -90,6 +90,11 @@
   ,  serverPort     :: Int
   ,  requestHeaders :: H.RequestHeaders
   -- | Was this request made over an SSL connection?
+  --
+  -- This value should /not/ be used, and will be removed in future revisions
+  -- of WAI. There is no meaningful way that a backend can indicate whether the
+  -- request is actually over a secure channel, due to issues of reverse
+  -- proxying.
   ,  isSecure       :: Bool
   -- | The client\'s host information.
   ,  remoteHost     :: SockAddr
diff --git a/wai.cabal b/wai.cabal
--- a/wai.cabal
+++ b/wai.cabal
@@ -1,5 +1,5 @@
 Name:                wai
-Version:             1.4.0
+Version:             1.4.0.1
 Synopsis:            Web Application Interface.
 Description:         Provides a common protocol for communication between web applications and web servers.
 License:             MIT