diff --git a/packages/google-chat/protos/google/chat/v1/space.proto b/packages/google-chat/protos/google/chat/v1/space.proto
index da6c0fe3a8d..47b1aa1ac54 100644
--- a/packages/google-chat/protos/google/chat/v1/space.proto
+++ b/packages/google-chat/protos/google/chat/v1/space.proto
@@ -338,6 +338,16 @@ message Space {
     PermissionSettings permission_settings = 27
         [(google.api.field_behavior) = OPTIONAL];
   }
+
+  // Output only. The time when the space will be automatically deleted by the
+  // system if it remains in import mode.
+  //
+  // Each space created in import mode must exit this mode before this expire
+  // time using `spaces.completeImport`.
+  //
+  // This field is only populated for spaces that were created with import mode.
+  google.protobuf.Timestamp import_mode_expire_time = 28
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // A request to create a named space with no members.
diff --git a/packages/google-chat/protos/protos.d.ts b/packages/google-chat/protos/protos.d.ts
index 0a9a36298c6..465a6dd8af7 100644
--- a/packages/google-chat/protos/protos.d.ts
+++ b/packages/google-chat/protos/protos.d.ts
@@ -17790,6 +17790,9 @@ export namespace google {
 
                 /** Space permissionSettings */
                 permissionSettings?: (google.chat.v1.Space.IPermissionSettings|null);
+
+                /** Space importModeExpireTime */
+                importModeExpireTime?: (google.protobuf.ITimestamp|null);
             }
 
             /** Represents a Space. */
@@ -17858,6 +17861,9 @@ export namespace google {
                 /** Space permissionSettings. */
                 public permissionSettings?: (google.chat.v1.Space.IPermissionSettings|null);
 
+                /** Space importModeExpireTime. */
+                public importModeExpireTime?: (google.protobuf.ITimestamp|null);
+
                 /** Space spacePermissionSettings. */
                 public spacePermissionSettings?: ("predefinedPermissionSettings"|"permissionSettings");
 
diff --git a/packages/google-chat/protos/protos.js b/packages/google-chat/protos/protos.js
index b2276ca4cda..af236cc1541 100644
--- a/packages/google-chat/protos/protos.js
+++ b/packages/google-chat/protos/protos.js
@@ -45729,6 +45729,7 @@
                      * @property {string|null} [spaceUri] Space spaceUri
                      * @property {google.chat.v1.Space.PredefinedPermissionSettings|null} [predefinedPermissionSettings] Space predefinedPermissionSettings
                      * @property {google.chat.v1.Space.IPermissionSettings|null} [permissionSettings] Space permissionSettings
+                     * @property {google.protobuf.ITimestamp|null} [importModeExpireTime] Space importModeExpireTime
                      */
     
                     /**
@@ -45898,6 +45899,14 @@
                      */
                     Space.prototype.permissionSettings = null;
     
+                    /**
+                     * Space importModeExpireTime.
+                     * @member {google.protobuf.ITimestamp|null|undefined} importModeExpireTime
+                     * @memberof google.chat.v1.Space
+                     * @instance
+                     */
+                    Space.prototype.importModeExpireTime = null;
+    
                     // OneOf field names bound to virtual getters and setters
                     var $oneOfFields;
     
@@ -45974,6 +45983,8 @@
                             writer.uint32(/* id 26, wireType 0 =*/208).int32(message.predefinedPermissionSettings);
                         if (message.permissionSettings != null && Object.hasOwnProperty.call(message, "permissionSettings"))
                             $root.google.chat.v1.Space.PermissionSettings.encode(message.permissionSettings, writer.uint32(/* id 27, wireType 2 =*/218).fork()).ldelim();
+                        if (message.importModeExpireTime != null && Object.hasOwnProperty.call(message, "importModeExpireTime"))
+                            $root.google.protobuf.Timestamp.encode(message.importModeExpireTime, writer.uint32(/* id 28, wireType 2 =*/226).fork()).ldelim();
                         return writer;
                     };
     
@@ -46084,6 +46095,10 @@
                                     message.permissionSettings = $root.google.chat.v1.Space.PermissionSettings.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 28: {
+                                    message.importModeExpireTime = $root.google.protobuf.Timestamp.decode(reader, reader.uint32());
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -46228,6 +46243,11 @@
                                     return "permissionSettings." + error;
                             }
                         }
+                        if (message.importModeExpireTime != null && message.hasOwnProperty("importModeExpireTime")) {
+                            var error = $root.google.protobuf.Timestamp.verify(message.importModeExpireTime);
+                            if (error)
+                                return "importModeExpireTime." + error;
+                        }
                         return null;
                     };
     
@@ -46397,6 +46417,11 @@
                                 throw TypeError(".google.chat.v1.Space.permissionSettings: object expected");
                             message.permissionSettings = $root.google.chat.v1.Space.PermissionSettings.fromObject(object.permissionSettings);
                         }
+                        if (object.importModeExpireTime != null) {
+                            if (typeof object.importModeExpireTime !== "object")
+                                throw TypeError(".google.chat.v1.Space.importModeExpireTime: object expected");
+                            message.importModeExpireTime = $root.google.protobuf.Timestamp.fromObject(object.importModeExpireTime);
+                        }
                         return message;
                     };
     
@@ -46431,6 +46456,7 @@
                             object.membershipCount = null;
                             object.accessSettings = null;
                             object.spaceUri = "";
+                            object.importModeExpireTime = null;
                         }
                         if (message.name != null && message.hasOwnProperty("name"))
                             object.name = message.name;
@@ -46476,6 +46502,8 @@
                             if (options.oneofs)
                                 object.spacePermissionSettings = "permissionSettings";
                         }
+                        if (message.importModeExpireTime != null && message.hasOwnProperty("importModeExpireTime"))
+                            object.importModeExpireTime = $root.google.protobuf.Timestamp.toObject(message.importModeExpireTime, options);
                         return object;
                     };
     
diff --git a/packages/google-chat/protos/protos.json b/packages/google-chat/protos/protos.json
index 24452a65547..7e5a6ad9d6f 100644
--- a/packages/google-chat/protos/protos.json
+++ b/packages/google-chat/protos/protos.json
@@ -4733,6 +4733,13 @@
                       "options": {
                         "(google.api.field_behavior)": "OPTIONAL"
                       }
+                    },
+                    "importModeExpireTime": {
+                      "type": "google.protobuf.Timestamp",
+                      "id": 28,
+                      "options": {
+                        "(google.api.field_behavior)": "OUTPUT_ONLY"
+                      }
                     }
                   },
                   "nested": {