diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9b2dda..4d9c873 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## 3.0.5
+Improve heuristic for detection of regular expressions.
+
 ## 3.0.4
 Handle response.headers being None. (Fixes issue #217)