Update CHANGELOG.md

Piotr Wittchen · web-flow · commit cd7cf28fa10a · 2016-07-18T15:52:08.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,12 @@
 CHANGELOG
 =========
 
+v. 2.1.5
+--------
+*18 Jul 2016*
+
+- added the private constructor to `NetworkHelper` class
+
 v. 2.1.4
 --------
 *17 Jul 2016*
