diff --git a/app/application.js b/app/application.ts
similarity index 95%
rename from app/application.js
rename to app/application.ts
index 59cd3374b7..ba0d8f877c 100644
Binary files a/app/application.js and b/app/application.ts differ
diff --git a/app/soapbox/load_polyfills.js b/app/soapbox/load_polyfills.ts
similarity index 93%
rename from app/soapbox/load_polyfills.js
rename to app/soapbox/load_polyfills.ts
index 251fc14c06..e636098e72 100644
Binary files a/app/soapbox/load_polyfills.js and b/app/soapbox/load_polyfills.ts differ
diff --git a/app/soapbox/main.js b/app/soapbox/main.tsx
similarity index 78%
rename from app/soapbox/main.js
rename to app/soapbox/main.tsx
index dfac430e0e..0a9bbdb75f 100644
Binary files a/app/soapbox/main.js and b/app/soapbox/main.tsx differ
diff --git a/app/soapbox/monitoring.js b/app/soapbox/monitoring.ts
similarity index 73%
rename from app/soapbox/monitoring.js
rename to app/soapbox/monitoring.ts
index adb99a8910..51e040b120 100644
Binary files a/app/soapbox/monitoring.js and b/app/soapbox/monitoring.ts differ
diff --git a/app/soapbox/performance.js b/app/soapbox/performance.ts
similarity index 72%
rename from app/soapbox/performance.js
rename to app/soapbox/performance.ts
index 7444ad540b..b524b6e151 100644
Binary files a/app/soapbox/performance.js and b/app/soapbox/performance.ts differ
diff --git a/app/soapbox/ready.js b/app/soapbox/ready.ts
similarity index 74%
rename from app/soapbox/ready.js
rename to app/soapbox/ready.ts
index 341ca425c5..f74b03694b 100644
Binary files a/app/soapbox/ready.js and b/app/soapbox/ready.ts differ
diff --git a/tsconfig.json b/tsconfig.json
index 81de339082..9897be7350 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "baseUrl": "app/",
     "sourceMap": true,
     "strict": true,
-    "module": "es6",
+    "module": "es2022",
     "target": "es5",
     "jsx": "react",
     "allowJs": true,
diff --git a/webpack/shared.js b/webpack/shared.js
index 8135fa512d..55ac4d6a73 100644
Binary files a/webpack/shared.js and b/webpack/shared.js differ