diff --git a/generated/google-apis-authorizedbuyersmarketplace_v1/CHANGELOG.md b/generated/google-apis-authorizedbuyersmarketplace_v1/CHANGELOG.md
index 01d77e98175..0b3be5ac6db 100644
--- a/generated/google-apis-authorizedbuyersmarketplace_v1/CHANGELOG.md
+++ b/generated/google-apis-authorizedbuyersmarketplace_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-authorizedbuyersmarketplace_v1
 
+### v0.31.0 (2025-01-19)
+
+* Regenerated from discovery document revision 20250113
+
 ### v0.30.0 (2025-01-12)
 
 * Regenerated from discovery document revision 20250107
diff --git a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/classes.rb b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/classes.rb
index 63860e7524b..149c93c9e8c 100644
--- a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/classes.rb
+++ b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/classes.rb
@@ -1540,8 +1540,7 @@ def update!(**args)
         end
       end
       
-      # Buyers are allowed to store certain types of private data in a proposal or
-      # deal.
+      # Buyers are allowed to store certain types of private data in a proposal.
       class PrivateData
         include Google::Apis::Core::Hashable
       
@@ -1641,8 +1640,7 @@ class Proposal
         # @return [Array<Google::Apis::AuthorizedbuyersmarketplaceV1::Contact>]
         attr_accessor :buyer_contacts
       
-        # Buyers are allowed to store certain types of private data in a proposal or
-        # deal.
+        # Buyers are allowed to store certain types of private data in a proposal.
         # Corresponds to the JSON property `buyerPrivateData`
         # @return [Google::Apis::AuthorizedbuyersmarketplaceV1::PrivateData]
         attr_accessor :buyer_private_data
diff --git a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/gem_version.rb b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/gem_version.rb
index 5af82f1838b..7e3918962c0 100644
--- a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/gem_version.rb
+++ b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module AuthorizedbuyersmarketplaceV1
       # Version of the google-apis-authorizedbuyersmarketplace_v1 gem
-      GEM_VERSION = "0.30.0"
+      GEM_VERSION = "0.31.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.16.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20250107"
+      REVISION = "20250113"
     end
   end
 end
diff --git a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/service.rb b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/service.rb
index 12e79fd48f9..3896848de67 100644
--- a/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/service.rb
+++ b/generated/google-apis-authorizedbuyersmarketplace_v1/lib/google/apis/authorizedbuyersmarketplace_v1/service.rb
@@ -1278,7 +1278,8 @@ def list_buyer_proposals(parent, filter: nil, page_size: nil, page_token: nil, f
         # the UpdateProposalRequest.update_mask will be updated; Fields noted as '
         # Immutable' or 'Output only' yet specified in the UpdateProposalRequest.
         # update_mask will be ignored and left unchanged. Updating a private auction
-        # proposal is not allowed and will result in an error.
+        # proposal is only allowed for buyer private data, all other fields are
+        # immutable.
         # @param [String] name
         #   Immutable. The name of the proposal serving as a unique identifier. Format:
         #   buyers/`accountId`/proposals/`proposalId`