diff --git a/ChangeLog.md b/ChangeLog.md
index d0b93fa4d6..422e36a25f 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,12 @@
 ChangeLog
 =========
 
+0.5.2
+-----
+
+* Fixed a bug where sockets were closed immediately when attaching over
+  TLS.
+
 0.5.1
 -----
 
diff --git a/docker/version.py b/docker/version.py
index abe1e1c018..4e1777d95e 100644
--- a/docker/version.py
+++ b/docker/version.py
@@ -1 +1 @@
-version = "0.5.1"
+version = "0.5.2"