diff --git a/generated/google-apis-memcache_v1/CHANGELOG.md b/generated/google-apis-memcache_v1/CHANGELOG.md
index bb4291d9769..f5c4518cbda 100644
--- a/generated/google-apis-memcache_v1/CHANGELOG.md
+++ b/generated/google-apis-memcache_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-memcache_v1
 
+### v0.51.0 (2026-02-08)
+
+* Regenerated from discovery document revision 20260129
+
 ### v0.50.0 (2026-01-25)
 
 * Regenerated from discovery document revision 20260115
diff --git a/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/gem_version.rb b/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/gem_version.rb
index 8e49c2ea121..96ade44ec25 100644
--- a/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/gem_version.rb
+++ b/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module MemcacheV1
       # Version of the google-apis-memcache_v1 gem
-      GEM_VERSION = "0.50.0"
+      GEM_VERSION = "0.51.0"
 
       # 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 = "20260115"
+      REVISION = "20260129"
     end
   end
 end
diff --git a/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/service.rb b/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/service.rb
index 9ac08101600..817257c1788 100644
--- a/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/service.rb
+++ b/generated/google-apis-memcache_v1/lib/google/apis/memcache_v1/service.rb
@@ -82,7 +82,11 @@ def get_project_location(name, fields: nil, quota_user: nil, options: nil, &bloc
           execute_or_queue_command(command, &block)
         end
         
-        # Lists information about the supported locations for this service.
+        # Lists information about the supported locations for this service. This method
+        # can be called in two ways: * **List all public locations:** Use the path `GET /
+        # v1/locations`. * **List project-visible locations:** Use the path `GET /v1/
+        # projects/`project_id`/locations`. This may include public locations as well as
+        # private or other locations specifically visible to the project.
         # @param [String] name
         #   The resource that owns the locations collection, if applicable.
         # @param [Array<String>, String] extra_location_types