diff --git a/History.md b/History.md
index c215530..30100eb 100644
--- a/History.md
+++ b/History.md
@@ -4,6 +4,7 @@
 * compatible with engine.io 1.5.4
 * bump okhttp-ws [b95505017]
 * check lone surrogate
+* fix NPE of polling request on Android [ZeroBrain]
 
 0.6.1 / 2015-08-31
 ==================