diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48b0d5f81..0a6606cf2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+# 1.6.4
+- Added maxToleranceForResourceTimingsMillis(default 3000ms) as user configurable. Support for case where Backend Trace Id is not available in xhr beacons.
+
 # 1.6.3
 - Support user defined metric in custom event.
 
diff --git a/package.json b/package.json
index 278f5ec3a..33c242162 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.6.3",
+  "version": "1.6.4",
   "name": "@instana/weasel",
   "description": "Collect end-user data",
   "main": "lib/index.js",