diff --git a/packages/primer-components/.storybook/main.js b/packages/primer-components/.storybook/main.js
index 3e90bd89..04df385a 100644
--- a/packages/primer-components/.storybook/main.js
+++ b/packages/primer-components/.storybook/main.js
@@ -20,6 +20,22 @@ module.exports = {
       plugins: [...config.plugins, svgr(), tsconfigPaths()],
       // Don't write to node_modules, in case someday we can get it from Nix.
       cacheDir: "../.vite",
+
+      build: {
+        sourcemap: true,
+
+        rollupOptions: {
+          // XXX dhess: do we need to add Tailwind UI deps here?
+          external: ["react", "react-dom", "react-router-dom"],
+        },
+
+        // Workaround a dagre issue. See:
+        //
+        // https://github.com/vitejs/vite/issues/5759#issuecomment-1034461225
+        commonjsOptions: {
+          ignoreTryCatch: false,
+        }
+      },
     };
   },
 };
diff --git a/packages/primer-components/vite.config.ts b/packages/primer-components/vite.config.ts
index 03cdd155..281bb775 100644
--- a/packages/primer-components/vite.config.ts
+++ b/packages/primer-components/vite.config.ts
@@ -57,6 +57,13 @@ export default defineConfig({
       // XXX dhess: do we need to add Tailwind UI deps here?
       external: ["react", "react-dom", "react-router-dom"],
     },
+
+    // Workaround a dagre issue. See:
+    //
+    // https://github.com/vitejs/vite/issues/5759#issuecomment-1034461225
+    commonjsOptions: {
+      ignoreTryCatch: false,
+    }
   },
 
   define: {