diff -Nru haskell-network-2.6.3.5/CHANGELOG.md haskell-network-2.6.3.6/CHANGELOG.md
--- haskell-network-2.6.3.5/CHANGELOG.md	2018-03-27 23:42:13.000000000 +0000
+++ haskell-network-2.6.3.6/CHANGELOG.md	2018-07-07 14:30:56.000000000 +0000
@@ -1,3 +1,7 @@
+## Version 2.6.3.6
+ * Removed unnecessary withMVar, which caused locking on close.
+   [#330](https://github.com/haskell/network/pull/330)
+
 ## Version 2.6.3.5
  * Reverting "Do not closeFd within sendFd"
    [#271](https://github.com/haskell/network/pull/271)
diff -Nru haskell-network-2.6.3.5/configure.ac haskell-network-2.6.3.6/configure.ac
--- haskell-network-2.6.3.5/configure.ac	2018-03-27 23:42:13.000000000 +0000
+++ haskell-network-2.6.3.6/configure.ac	2018-07-07 14:30:56.000000000 +0000
@@ -1,4 +1,4 @@
-AC_INIT([Haskell network package], [2.6.3.5], [libraries@haskell.org], [network])
+AC_INIT([Haskell network package], [2.6.3.6], [libraries@haskell.org], [network])
 
 ac_includes_default="$ac_includes_default
 #ifdef HAVE_SYS_SOCKET_H
@@ -101,7 +101,7 @@
 fi
 
 dnl --------------------------------------------------
-dnl * test for GETPEEREID(3) 
+dnl * test for GETPEEREID(3)
 dnl --------------------------------------------------
 AC_MSG_CHECKING(for getpeereid in unistd.h)
 AC_CHECK_FUNC( getpeereid, AC_DEFINE([HAVE_GETPEEREID], [1], [Define to 1 if you have getpeereid.] ))
diff -Nru haskell-network-2.6.3.5/debian/changelog haskell-network-2.6.3.6/debian/changelog
--- haskell-network-2.6.3.5/debian/changelog	2018-04-09 20:39:50.000000000 +0000
+++ haskell-network-2.6.3.6/debian/changelog	2018-09-30 08:10:57.000000000 +0000
@@ -1,3 +1,14 @@
+haskell-network (2.6.3.6-1) unstable; urgency=medium
+
+  [ Clint Adams ]
+  * Set Rules-Requires-Root to no.
+
+  [ Ilias Tsitsimpis ]
+  * Bump debhelper compat level to 10
+  * New upstream release
+
+ -- Ilias Tsitsimpis <iliastsi@debian.org>  Sun, 30 Sep 2018 11:10:57 +0300
+
 haskell-network (2.6.3.5-1) unstable; urgency=medium
 
   [ Ilias Tsitsimpis ]
diff -Nru haskell-network-2.6.3.5/debian/compat haskell-network-2.6.3.6/debian/compat
--- haskell-network-2.6.3.5/debian/compat	2018-04-09 20:39:50.000000000 +0000
+++ haskell-network-2.6.3.6/debian/compat	2018-09-30 08:10:57.000000000 +0000
@@ -1 +1 @@
-9
+10
diff -Nru haskell-network-2.6.3.5/debian/control haskell-network-2.6.3.6/debian/control
--- haskell-network-2.6.3.5/debian/control	2018-04-09 20:39:50.000000000 +0000
+++ haskell-network-2.6.3.6/debian/control	2018-09-30 08:10:57.000000000 +0000
@@ -3,7 +3,8 @@
 Uploaders: Joachim Breitner <nomeata@debian.org>, Dmitry Bogatov <KAction@gnu.org>
 Priority: optional
 Section: haskell
-Build-Depends: debhelper (>= 9),
+Rules-Requires-Root: no
+Build-Depends: debhelper (>= 10),
  haskell-devscripts (>= 0.13),
  autotools-dev,
  cdbs,
@@ -13,7 +14,7 @@
 Standards-Version: 4.1.4
 Homepage: https://github.com/haskell/network
 Vcs-Browser: https://salsa.debian.org/haskell-team/DHG_packages/tree/master/p/haskell-network
-Vcs-Git: https://salsa.debian.org/haskell-team/DHG_packages.git
+Vcs-Git: https://salsa.debian.org/haskell-team/DHG_packages.git [p/haskell-network]
 X-Description: Haskell low-level network library
  Library `network' provides means to perform network
  operations on level of ByteString's and sockets.
diff -Nru haskell-network-2.6.3.5/Network/Socket.hsc haskell-network-2.6.3.6/Network/Socket.hsc
--- haskell-network-2.6.3.5/Network/Socket.hsc	2018-03-27 23:42:13.000000000 +0000
+++ haskell-network-2.6.3.6/Network/Socket.hsc	2018-07-07 14:30:56.000000000 +0000
@@ -578,7 +578,8 @@
        -> IO (Socket,                   -- Readable Socket
               SockAddr)                 -- Peer details
 
-accept sock@(MkSocket s family stype protocol status) = withMVar status $ \currentStatus -> do
+accept sock@(MkSocket s family stype protocol status) = do
+ currentStatus <- readMVar status
  if not $ isAcceptable family stype currentStatus
    then
      ioError $ userError $
diff -Nru haskell-network-2.6.3.5/network.cabal haskell-network-2.6.3.6/network.cabal
--- haskell-network-2.6.3.5/network.cabal	2018-03-27 23:42:13.000000000 +0000
+++ haskell-network-2.6.3.6/network.cabal	2018-07-07 14:30:56.000000000 +0000
@@ -1,5 +1,5 @@
 name:           network
-version:        2.6.3.5
+version:        2.6.3.6
 license:        BSD3
 license-file:   LICENSE
 maintainer:     Kazu Yamamoto, Evan Borden