diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cd214ba4..8eca9d65d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,59 @@
+# 0.45.1
+* Backwards compatible changes:
+  * Added `analyticsadmin_v1alpha`
+  * Added `apigateway_v1alpha2`
+  * Added `smartdevicemanagement_v1`
+  * Updated `acceleratedmobilepageurl_v1`
+  * Updated `apigee_v1`
+  * Updated `appsmarket_v2`
+  * Updated `bigquery_v2`
+  * Updated `binaryauthorization_v1`
+  * Updated `binaryauthorization_v1beta1`
+  * Updated `calendar_v3`
+  * Updated `chat_v1`
+  * Updated `cloudbuild_v1`
+  * Updated `cloudfunctions_v1`
+  * Updated `cloudidentity_v1`
+  * Updated `cloudidentity_v1beta1`
+  * Updated `cloudresourcemanager_v1`
+  * Updated `cloudresourcemanager_v1beta1`
+  * Updated `content_v2_1`
+  * Updated `datacatalog_v1beta1`
+  * Updated `dataflow_v1b3`
+  * Updated `dfareporting_v3_3`
+  * Updated `dfareporting_v3_4`
+  * Updated `dialogflow_v2`
+  * Updated `dialogflow_v2beta1`
+  * Updated `dialogflow_v3beta1`
+  * Updated `displayvideo_v1`
+  * Updated `dlp_v2`
+  * Updated `firestore_v1`
+  * Updated `firestore_v1beta1`
+  * Updated `gmail_v1`
+  * Updated `healthcare_v1`
+  * Updated `healthcare_v1beta1`
+  * Updated `logging_v2`
+  * Updated `oslogin_v1alpha`
+  * Updated `people_v1`
+  * Updated `realtimebidding_v1`
+  * Updated `run_v1`
+  * Updated `searchconsole_v1`
+  * Updated `securitycenter_v1`
+  * Updated `securitycenter_v1beta1`
+  * Updated `securitycenter_v1beta2`
+  * Updated `servicecontrol_v1`
+  * Updated `servicecontrol_v2`
+  * Updated `servicemanagement_v1`
+  * Updated `sourcerepo_v1`
+  * Updated `sqladmin_v1beta4`
+  * Updated `storage_v1`
+  * Updated `sts_v1beta`
+  * Updated `websecurityscanner_v1`
+  * Updated `websecurityscanner_v1beta`
+  * Updated `workflowexecutions_v1beta`
+  * Updated `youtube_partner_v1`
+  * Updated `youtube_v3`
+
 # 0.45.0
 * Breaking changes:
   * Deleted `plus_v1`
diff --git a/lib/google/apis/version.rb b/lib/google/apis/version.rb
index c3af84576..22680a8e6 100644
--- a/lib/google/apis/version.rb
+++ b/lib/google/apis/version.rb
@@ -17,7 +17,7 @@ require 'open3'
 module Google
   module Apis
     # Client library version
-    VERSION = '0.45.0'.freeze
+    VERSION = '0.45.1'.freeze
 
     # Current operating system
     # @private