diff --git a/tsconfig.json b/tsconfig.json
index 81382ed8bd1f05fb7f1f5fbeb036ba32de382394..0d58542ac04e68ecb752dd306248e1d9c502248f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -15,6 +15,7 @@
     "noImplicitOverride": true,
     "experimentalDecorators": true,
     "useUnknownInCatchVariables": false /* we aren't prepared for enabling this by default since ts 4.4*/,
+    "isolatedModules": true /* required for esbuild */,
     "lib": ["es2020"],
     "types": ["node", "jest", "jest-extended", "expect-more-jest"],
     "allowJs": true,