diff --git a/CHANGELOG.md b/CHANGELOG.md
index fad8c5bd..52f0758a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 2.2.0
+- Incorporate changes for App Store Server API v1.12 and App Store Server Notifications v2.12 [https://github.com/apple/app-store-server-library-java/pull/103]
+- Handle null appAccountToken appropriately in PromotionalOfferSignatureCreator [https://github.com/apple/app-store-server-library-java/pull/100]
+
 ## Version 2.1.0
 - Incorporate changes for App Store Server API v1.11 and App Store Server Notifications v2.11 [https://github.com/apple/app-store-server-library-java/pull/94]
 - Add proxy authenticator support [https://github.com/apple/app-store-server-library-java/pull/93]
diff --git a/README.md b/README.md
index 765c1989..6e58beaf 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ The Java server library for the [App Store Server API](https://developer.apple.c
 
 ### Gradle
 ```groovy
-implementation 'com.apple.itunes.storekit:app-store-server-library:2.1.0'
+implementation 'com.apple.itunes.storekit:app-store-server-library:2.2.0'
 
 ```
 
@@ -24,7 +24,7 @@ implementation 'com.apple.itunes.storekit:app-store-server-library:2.1.0'
 <dependency>
     <groupId>com.apple.itunes.storekit</groupId>
     <artifactId>app-store-server-library</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
 </dependency>
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 6350294c..f6dae514 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
-version=2.1.0
+version=2.2.0
 group=com.apple.itunes.storekit
diff --git a/src/main/java/com/apple/itunes/storekit/client/AppStoreServerAPIClient.java b/src/main/java/com/apple/itunes/storekit/client/AppStoreServerAPIClient.java
index cff67ef0..0d92904c 100644
--- a/src/main/java/com/apple/itunes/storekit/client/AppStoreServerAPIClient.java
+++ b/src/main/java/com/apple/itunes/storekit/client/AppStoreServerAPIClient.java
@@ -46,7 +46,7 @@ public class AppStoreServerAPIClient {
     private static final String PRODUCTION_URL = "https://api.storekit.itunes.apple.com";
     private static final String SANDBOX_URL = "https://api.storekit-sandbox.itunes.apple.com";
     private static final String LOCAL_TESTING_URL = "https://local-testing-base-url";
-    private static final String USER_AGENT = "app-store-server-library/java/2.1.0";
+    private static final String USER_AGENT = "app-store-server-library/java/2.2.0";
     private static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");
 
     private final OkHttpClient httpClient;