diff --git a/package.json b/package.json
index b81ae98..2eadde5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pg-logical-replication",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "description": "PostgreSQL Location Replication client - logical WAL replication streaming",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/output-plugins/wal2json/wal2json-plugin-output.type.ts b/src/output-plugins/wal2json/wal2json-plugin-output.type.ts
index e51c20f..65dfe65 100644
--- a/src/output-plugins/wal2json/wal2json-plugin-output.type.ts
+++ b/src/output-plugins/wal2json/wal2json-plugin-output.type.ts
@@ -55,6 +55,8 @@ export declare module Wal2Json {
      * +options.includeNotNull : true
      */
     columnoptionals: boolean[];
+
+    oldkeys?: { keynames: string[]; keytypes: string[]; keyvalues: any[] };
   }
 
   export interface Pk {