diff --git a/eng/jacoco-test-coverage/pom.xml b/eng/jacoco-test-coverage/pom.xml
index 5a8f09140d9f6..de400fbfe8f6e 100644
--- a/eng/jacoco-test-coverage/pom.xml
+++ b/eng/jacoco-test-coverage/pom.xml
@@ -209,7 +209,7 @@
     <dependency>
       <groupId>com.azure</groupId>
       <artifactId>azure-messaging-eventgrid</artifactId>
-      <version>4.5.0-beta.1</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
+      <version>4.5.0</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
     </dependency>
     <dependency>
       <groupId>com.azure</groupId>
diff --git a/eng/versioning/version_client.txt b/eng/versioning/version_client.txt
index 64737a32f813d..320bcdaeb6564 100644
--- a/eng/versioning/version_client.txt
+++ b/eng/versioning/version_client.txt
@@ -89,7 +89,7 @@ com.azure:azure-identity;1.3.3;1.4.0-beta.1
 com.azure:azure-identity-perf;1.0.0-beta.1;1.0.0-beta.1
 com.azure:azure-iot-deviceupdate;1.0.0-beta.1;1.0.0-beta.2
 com.azure:azure-iot-modelsrepository;1.0.0-beta.1;1.0.0-beta.2
-com.azure:azure-messaging-eventgrid;4.4.0;4.5.0-beta.1
+com.azure:azure-messaging-eventgrid;4.4.0;4.5.0
 com.azure:azure-messaging-eventhubs;5.9.0;5.10.0-beta.1
 com.azure:azure-messaging-eventhubs-checkpointstore-blob;1.8.1;1.9.0-beta.1
 com.azure:azure-messaging-eventhubs-track1-perf;1.0.0-beta.1;1.0.0-beta.1
diff --git a/sdk/eventgrid/azure-messaging-eventgrid/CHANGELOG.md b/sdk/eventgrid/azure-messaging-eventgrid/CHANGELOG.md
index 40ec8100e2d51..5ad2cf2a8a6a2 100644
--- a/sdk/eventgrid/azure-messaging-eventgrid/CHANGELOG.md
+++ b/sdk/eventgrid/azure-messaging-eventgrid/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Release History
 
-## 4.5.0-beta.1 (Unreleased)
+## 4.5.0 (2021-07-19)
 ### Features Added
 - Added `EventGridPublisherClientBuilder#credential(TokenCredential credential)` to support Azure Active Directory authentication.
+- Added field `metadata` to system event classes `AcsChatMessageEditedEventData`, `AcsChatMessageEditedInThreadEventData`, `AcsChatMessageReceivedEventData` and `AcsChatMessageReceivedInThreadEventData`.
+
+### Dependency Updates
+- Update `azure-core` dependency to `1.18.0`.
+- Update `azure-core-http-netty` dependency to `1.10.1`.
 
 ## 4.4.0 (2021-06-09)
 ### New Features
diff --git a/sdk/eventgrid/azure-messaging-eventgrid/README.md b/sdk/eventgrid/azure-messaging-eventgrid/README.md
index 3a06dbe68b343..c961798aa86a9 100644
--- a/sdk/eventgrid/azure-messaging-eventgrid/README.md
+++ b/sdk/eventgrid/azure-messaging-eventgrid/README.md
@@ -47,7 +47,7 @@ az eventgrid domain create --location <location> --resource-group <your-resource
 <dependency>
     <groupId>com.azure</groupId>
     <artifactId>azure-messaging-eventgrid</artifactId>
-    <version>4.4.0</version>
+    <version>4.5.0</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})
diff --git a/sdk/eventgrid/azure-messaging-eventgrid/pom.xml b/sdk/eventgrid/azure-messaging-eventgrid/pom.xml
index a7d097543c09b..fc6406a3c38d3 100644
--- a/sdk/eventgrid/azure-messaging-eventgrid/pom.xml
+++ b/sdk/eventgrid/azure-messaging-eventgrid/pom.xml
@@ -12,7 +12,7 @@
 
   <groupId>com.azure</groupId>
   <artifactId>azure-messaging-eventgrid</artifactId>
-  <version>4.5.0-beta.1</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
+  <version>4.5.0</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
 
   <packaging>jar</packaging>
   <name>Microsoft Azure SDK for eventgrid</name>
diff --git a/sdk/eventgrid/pom.xml b/sdk/eventgrid/pom.xml
index a2c67bb8908d3..e0fa00848d3b0 100644
--- a/sdk/eventgrid/pom.xml
+++ b/sdk/eventgrid/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
           <groupId>com.azure</groupId>
           <artifactId>azure-messaging-eventgrid</artifactId>
-          <version>4.5.0-beta.1</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
+          <version>4.5.0</version> <!-- {x-version-update;com.azure:azure-messaging-eventgrid;current} -->
         </dependency>
       </dependencies>