diff --git a/generated/google/apis/iam_v1.rb b/generated/google/apis/iam_v1.rb
index 4904cb547..e6bb27dba 100644
--- a/generated/google/apis/iam_v1.rb
+++ b/generated/google/apis/iam_v1.rb
@@ -22,15 +22,12 @@ module Google
     #
     # Manages identity and access control for Google Cloud Platform resources,
     # including the creation of service accounts, which you can use to authenticate
-    # to Google and make API calls. *Note:* This API is tied to the IAM service
-    # account credentials API ( iamcredentials.googleapis.com). Enabling or
-    # disabling this API will also enable or disable the IAM service account
-    # credentials API.
+    # to Google and make API calls.
     #
     # @see https://cloud.google.com/iam/
     module IamV1
       VERSION = 'V1'
-      REVISION = '20200910'
+      REVISION = '20201022'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/iam_v1/service.rb b/generated/google/apis/iam_v1/service.rb
index 8eb29dced..b33c7a9bc 100644
--- a/generated/google/apis/iam_v1/service.rb
+++ b/generated/google/apis/iam_v1/service.rb
@@ -24,10 +24,7 @@ module Google
       #
       # Manages identity and access control for Google Cloud Platform resources,
       #  including the creation of service accounts, which you can use to authenticate
-      #  to Google and make API calls. *Note:* This API is tied to the IAM service
-      #  account credentials API ( iamcredentials.googleapis.com). Enabling or
-      #  disabling this API will also enable or disable the IAM service account
-      #  credentials API.
+      #  to Google and make API calls.
       #
       # @example
       #    require 'google/apis/iam_v1'
diff --git a/generated/google/apis/iam_v1/synth.metadata b/generated/google/apis/iam_v1/synth.metadata
index 429012f74..fb5a74b21 100644
--- a/generated/google/apis/iam_v1/synth.metadata
+++ b/generated/google/apis/iam_v1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "c98c719bbab68d0890524d53f8b629d7858af9c2"
+        "sha": "9840c481849200572321532ecc3b128bebbc1583"
       }
     }
   ]