diff --git a/debian/changelog b/debian/changelog
index f115fbf..e79dead 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+flexnbd (0.4.0) UNRELEASED; urgency=medium
+
+  * Explicitly close the server control socket, and wait for it to close, to
+    prevent deadlocks during the server clean-up process (#40 !58)
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 07 Dec 2018 16:38:56 +0000
+
 flexnbd (0.4.0) stable; urgency=medium
 
   * Ensure proxy state is completely reset before upstream init is read,