diff --git a/api_names_out.yaml b/api_names_out.yaml
index faf5cf184e6..9d94dfcb3d5 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -247308,6 +247308,7 @@
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntitiesRevision/entities": entities
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntitiesRevision/entities/entity": entity
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntitiesRevision/entityValidationOutput": entity_validation_output
+"/documentai:v1/GoogleCloudDocumentaiV1DocumentEntitiesRevision/provenance": provenance
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntitiesRevision/revisionId": revision_id
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntity": google_cloud_documentai_v1_document_entity
 "/documentai:v1/GoogleCloudDocumentaiV1DocumentEntity/confidence": confidence
diff --git a/generated/google-apis-documentai_v1/CHANGELOG.md b/generated/google-apis-documentai_v1/CHANGELOG.md
index 51e63a0fe8b..b27150cffa4 100644
--- a/generated/google-apis-documentai_v1/CHANGELOG.md
+++ b/generated/google-apis-documentai_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-documentai_v1
 
+### v0.112.0 (2026-01-11)
+
+* Regenerated from discovery document revision 20260104
+
 ### v0.111.0 (2025-12-14)
 
 * Regenerated from discovery document revision 20251209
diff --git a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/classes.rb b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/classes.rb
index 5c101790ab6..e9c9ebf753d 100644
--- a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/classes.rb
+++ b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/classes.rb
@@ -3850,6 +3850,12 @@ class GoogleCloudDocumentaiV1DocumentEntitiesRevision
         # @return [Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentEntityValidationOutput]
         attr_accessor :entity_validation_output
       
+        # Structure to identify provenance relationships between annotations in
+        # different revisions.
+        # Corresponds to the JSON property `provenance`
+        # @return [Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentProvenance]
+        attr_accessor :provenance
+      
         # The revision id.
         # Corresponds to the JSON property `revisionId`
         # @return [String]
@@ -3863,6 +3869,7 @@ def initialize(**args)
         def update!(**args)
           @entities = args[:entities] if args.key?(:entities)
           @entity_validation_output = args[:entity_validation_output] if args.key?(:entity_validation_output)
+          @provenance = args[:provenance] if args.key?(:provenance)
           @revision_id = args[:revision_id] if args.key?(:revision_id)
         end
       end
diff --git a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/gem_version.rb b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/gem_version.rb
index ab817e6d5bc..9bc6f57b250 100644
--- a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/gem_version.rb
+++ b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module DocumentaiV1
       # Version of the google-apis-documentai_v1 gem
-      GEM_VERSION = "0.111.0"
+      GEM_VERSION = "0.112.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.18.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20251209"
+      REVISION = "20260104"
     end
   end
 end
diff --git a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/representations.rb b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/representations.rb
index 975f8b9dfa6..a8542a4ab3b 100644
--- a/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/representations.rb
+++ b/generated/google-apis-documentai_v1/lib/google/apis/documentai_v1/representations.rb
@@ -3176,6 +3176,8 @@ class Representation < Google::Apis::Core::JsonRepresentation
       
           property :entity_validation_output, as: 'entityValidationOutput', class: Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentEntityValidationOutput, decorator: Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentEntityValidationOutput::Representation
       
+          property :provenance, as: 'provenance', class: Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentProvenance, decorator: Google::Apis::DocumentaiV1::GoogleCloudDocumentaiV1DocumentProvenance::Representation
+      
           property :revision_id, as: 'revisionId'
         end
       end