diff --git a/ChangeLog b/ChangeLog
index f171dc2b9..0e72e6d94 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 v4.1.9 (2017-02-xx)
 ---------------------------
 * added missing IndexType.edge
+* fixed Connection (thread-safe)
 * fixed URI encoding
 
 v4.1.8 (2017-02-03)