diff --git a/index.js b/index.js
index <HASH>..<HASH> 100644
--- a/index.js
+++ b/index.js
@@ -224,6 +224,9 @@ module.exports = {
       baseDir() {
         return __dirname;
       },
+      cacheKey() {
+        return name;
+      },
       parallelBabel: {
         requireFile: __filename,
         buildUsing: '_canvasBuildPlugin',
Return a cache key for canvas enforcer

Not really necessary according to the documentation, but let’s set it
just in case.