diff --git a/CHANGELOG.md b/CHANGELOG.md
index 646c1ea21..26b904962 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,3 +14,4 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - increase limitation of ReadWritePacket on noise pkg from 4KB to 64KB
 - decrease size of larg file test from 10MB to 1MB to pass AppVeyor tests 
+- add some time.Sleep on tests (for 5 second) to pass AppVeyor tests