diff --git a/Network/Wai/Handler/WarpTLS.hs b/Network/Wai/Handler/WarpTLS.hs
--- a/Network/Wai/Handler/WarpTLS.hs
+++ b/Network/Wai/Handler/WarpTLS.hs
@@ -188,7 +188,7 @@
 
 -- | Running 'Application' with 'TLSSettings' and 'Settings'.
 runTLS :: TLSSettings -> Settings -> Application -> IO ()
-runTLS tset set app =
+runTLS tset set app = withSocketsDo $
     bracket
         (bindPort (settingsPort set) (settingsHost set))
         sClose
diff --git a/warp-tls.cabal b/warp-tls.cabal
--- a/warp-tls.cabal
+++ b/warp-tls.cabal
@@ -1,5 +1,5 @@
 Name:                warp-tls
-Version:             2.0.0
+Version:             2.0.0.1
 Synopsis:            HTTP over SSL/TLS support for Warp via the TLS package
 License:             MIT
 License-file:        LICENSE