diff --git a/sdk/eventgrid/azure-eventgrid/CHANGELOG.md b/sdk/eventgrid/azure-eventgrid/CHANGELOG.md
index 5ffabbeb8994..a2d64cc37fa4 100644
--- a/sdk/eventgrid/azure-eventgrid/CHANGELOG.md
+++ b/sdk/eventgrid/azure-eventgrid/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 4.5.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 4.5.0 (2021-08-10)
 
 ### Features Added
diff --git a/sdk/eventgrid/azure-eventgrid/azure/eventgrid/_version.py b/sdk/eventgrid/azure-eventgrid/azure/eventgrid/_version.py
index 5638bcf9e648..2d9497f33fec 100644
--- a/sdk/eventgrid/azure-eventgrid/azure/eventgrid/_version.py
+++ b/sdk/eventgrid/azure-eventgrid/azure/eventgrid/_version.py
@@ -9,4 +9,4 @@
 # regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "4.5.0"
+VERSION = "4.5.1"