diff --git a/node-swc/src/types.ts b/node-swc/src/types.ts
index ed790d11150..717c64b6205 100644
--- a/node-swc/src/types.ts
+++ b/node-swc/src/types.ts
@@ -492,7 +492,21 @@ export interface JscConfig {
 
   experimental?: {
     optimizeHygiene?: boolean,
-    keepImportAssertions?: boolean
+    keepImportAssertions?: boolean,
+    /**
+     * Specify the location where SWC stores its intermidiate cache files.
+     * Currently only transform plugin uses this. If not specified, SWC will
+     * create `.swc` directories.
+     */
+    cacheRoot: string;
+    /**
+     * List of custom transform plugins written in WebAssembly.
+     * First parameter of tuple indicates the name of the plugin - it can be either
+     * a name of the npm package can be resolved, or absolute path to .wasm binary.
+     *
+     * Second parameter of tuple is JSON based configuration for the plugin.
+     */
+    plugins: Array<[string, Record<string, any>]>
   },
 
   baseUrl?: string