diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42eb481..8823566 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+# [1.0.0](https://github.com/IBM/vpc-go-sdk/compare/v0.4.2...v1.0.0) (2021-03-16)
+
+
+### Performance Improvements
+
+* **Instance-groups:** Update VPC SDK with API version 2021-03-09 ([#23](https://github.com/IBM/vpc-go-sdk/issues/23)) ([d6dc319](https://github.com/IBM/vpc-go-sdk/commit/d6dc319bb5aa19aff4fd89872198b6e573545110))
+
+
+### BREAKING CHANGES
+
+* **Instance-groups:** - Methods for Instance group manager is now producing InstanceGroupManagerIntf instead of InstanceGroupManager
+
 ## [0.4.2](https://github.com/IBM/vpc-go-sdk/compare/v0.4.1...v0.4.2) (2021-03-02)
 
 
diff --git a/package-lock.json b/package-lock.json
index e5f9462..50496d7 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      "resolved": "https://registry.npmjs.org/@octokit/graphql/-/graphql-4.6.1.tgz",
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@@ -90,14 +91,14 @@
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@@ -142,22 +143,22 @@
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         "@octokit/plugin-request-log": "^1.0.2",
-        "@octokit/plugin-rest-endpoint-methods": "4.13.1"
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