diff --git a/services/msi/mgmt/2018-11-30/msi/CHANGELOG.md b/services/msi/mgmt/2018-11-30/msi/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/msi/mgmt/2018-11-30/msi/CHANGELOG.md
+++ b/services/msi/mgmt/2018-11-30/msi/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/msi/mgmt/2018-11-30/msi/_meta.json b/services/msi/mgmt/2018-11-30/msi/_meta.json
index b2bed06fc2ed..59d0ce3c035a 100644
--- a/services/msi/mgmt/2018-11-30/msi/_meta.json
+++ b/services/msi/mgmt/2018-11-30/msi/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "68d1d56104fc6c8d61274c8ec5fb5fc7f6abba58",
   "readme": "/_/azure-rest-api-specs/specification/msi/resource-manager/readme.md",
   "tag": "package-2018-11-30",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/preview/msi/mgmt/2015-08-31-preview/msi/CHANGELOG.md b/services/preview/msi/mgmt/2015-08-31-preview/msi/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/msi/mgmt/2015-08-31-preview/msi/CHANGELOG.md
+++ b/services/preview/msi/mgmt/2015-08-31-preview/msi/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/msi/mgmt/2015-08-31-preview/msi/_meta.json b/services/preview/msi/mgmt/2015-08-31-preview/msi/_meta.json
index c094298d8299..ef3b839944cb 100644
--- a/services/preview/msi/mgmt/2015-08-31-preview/msi/_meta.json
+++ b/services/preview/msi/mgmt/2015-08-31-preview/msi/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "68d1d56104fc6c8d61274c8ec5fb5fc7f6abba58",
   "readme": "/_/azure-rest-api-specs/specification/msi/resource-manager/readme.md",
   "tag": "package-2015-08-31-preview",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/preview/msi/mgmt/2021-09-30-preview/msi/CHANGELOG.md b/services/preview/msi/mgmt/2021-09-30-preview/msi/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/msi/mgmt/2021-09-30-preview/msi/CHANGELOG.md
+++ b/services/preview/msi/mgmt/2021-09-30-preview/msi/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/msi/mgmt/2021-09-30-preview/msi/_meta.json b/services/preview/msi/mgmt/2021-09-30-preview/msi/_meta.json
index f83150fa9769..c004b382afe9 100644
--- a/services/preview/msi/mgmt/2021-09-30-preview/msi/_meta.json
+++ b/services/preview/msi/mgmt/2021-09-30-preview/msi/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "162460648e39b3cd20ef3d302008add138e90223",
+  "commit": "68d1d56104fc6c8d61274c8ec5fb5fc7f6abba58",
   "readme": "/_/azure-rest-api-specs/specification/msi/resource-manager/readme.md",
   "tag": "package-preview-2021-09",
   "use": "@microsoft.azure/autorest.go@2.1.187",