diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01552bc..7424b30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [4.2.0](https://github.com/IBM/go-sdk-core/compare/v4.1.0...v4.2.0) (2020-08-14)
+
+
+### Features
+
+* add detailed error response to iam/cp4d authenticators ([#66](https://github.com/IBM/go-sdk-core/issues/66)) ([3485263](https://github.com/IBM/go-sdk-core/commit/3485263179566e258883cc8ce55144b5b99fa308))
+
 # [4.1.0](https://github.com/IBM/go-sdk-core/compare/v4.0.8...v4.1.0) (2020-08-07)
 
 
diff --git a/package-lock.json b/package-lock.json
index 8b0fc52..cd6b192 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -179,9 +179,9 @@
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+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-5.4.0.tgz",
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@@ -458,9 +458,9 @@
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-      "integrity": "sha512-EXr1FOzrzTfGeL0gQdeFEvOMm2mzMOglyiOXSTpPC+iAjAKftbr3jpCMWynogwYnM+eSj9sHGc6wjIcDvYiygw==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz",
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@@ -605,9 +605,9 @@
       "integrity": "sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA="
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
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     "lodash.capitalize": {
       "version": "4.2.1",
@@ -700,9 +700,9 @@
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-      "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.1.tgz",
-      "integrity": "sha512-ZpZpjcJeugQfWsfyQlshVoowIIQ1qBGSVll4rfDq6JJVO//fesjoX808hXWfBjY+ROZgpKDI5TRSRBSoJiZ8eg==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
+      "integrity": "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg==",
       "requires": {
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@@ -879,9 +879,9 @@
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-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.3.1.tgz",
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+      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.3.3.tgz",
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