diff --git a/CHANGELOG.md b/CHANGELOG.md
index 75b28f8..37a0dca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## 5.9.1 - 2024-06-23
+
 * Revert making the Service provider deferrable. The auto discovery problem is hopefully still fixed because of
   the change in the latest version of the SDK.