diff --git a/packages/extension-ui/tsconfig.build.json b/packages/extension-ui/tsconfig.build.json
index cc2a28a..831dd48 100644
--- a/packages/extension-ui/tsconfig.build.json
+++ b/packages/extension-ui/tsconfig.build.json
@@ -3,7 +3,9 @@
   "compilerOptions": {
     "baseUrl": "..",
     "outDir": "./build",
-    "rootDir": "./src"
+    "rootDir": "./src",
+    // Required for styled-components v6 declaration emission compatibility
+    "skipLibCheck": true
   },
   "exclude": [
     "**/*.spec.ts"