diff --git a/HTTP.cabal b/HTTP.cabal
--- a/HTTP.cabal
+++ b/HTTP.cabal
@@ -1,5 +1,5 @@
 Name: HTTP
-Version: 4000.3.10
+Version: 4000.3.11
 Cabal-Version: >= 1.8
 Build-type: Simple
 License: BSD3
@@ -69,10 +69,6 @@
   description: Build with warnings-as-errors
   manual:      True
 
-Flag network23
-  description: Use version 2.3.x or below of the network package
-  default: False
-
 Flag conduit10
   description: Use version 1.0.x or below of the conduit package (for the test suite)
   default: False
@@ -113,7 +109,7 @@
   -- where dependencies are shared
   Build-depends: base >= 4.3.0.0 && < 4.12, parsec >= 2.0 && < 3.2
   Build-depends: array >= 0.3.0.2 && < 0.6, bytestring >= 0.9.1.5 && < 0.11
-  Build-depends: time >= 1.1.2.3 && < 1.9
+  Build-depends: time >= 1.1.2.3 && < 1.10
 
   Extensions: FlexibleInstances
 
@@ -132,7 +128,7 @@
     ghc-options:      -Werror
 
   if os(windows)
-    Build-depends: Win32 >= 2.2.0.0 && < 2.6
+    Build-depends: Win32 >= 2.2.0.0 && < 2.7
 
 Test-Suite test
   type: exitcode-stdio-1.0
@@ -176,7 +172,7 @@
                          conduit >= 1.0.8 && < 1.1
     else
       build-depends:
-                         conduit >= 1.1 && < 1.3,
-                         conduit-extra >= 1.1 && < 1.3
+                         conduit >= 1.1 && < 1.4,
+                         conduit-extra >= 1.1 && < 1.4
 
 
diff --git a/Network/HTTP/Proxy.hs b/Network/HTTP/Proxy.hs
--- a/Network/HTTP/Proxy.hs
+++ b/Network/HTTP/Proxy.hs
@@ -103,7 +103,11 @@
   (bracket (uncurry regOpenKey registryProxyLoc) regCloseKey $ \hkey -> do
     enable <- fmap toBool $ regQueryValueDWORD hkey "ProxyEnable"
     if enable
+#if MIN_VERSION_Win32(2,6,0)
+        then fmap Just $ regQueryValue hkey "ProxyServer"
+#else
         then fmap Just $ regQueryValue hkey (Just "ProxyServer")
+#endif
         else return Nothing)
   (\_ -> return Nothing)