diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9a44b2b..2ca9a515 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### 6.4.7
+- Remove unused `System.Text.RegularExpressions` dependency.
+
 ### 6.4.6
 - Fix the wait time calculation in auto-polling mode.