diff --git a/.changeset/red-ties-float.md b/.changeset/red-ties-float.md
new file mode 100644
index 00000000..4dd86e62
--- /dev/null
+++ b/.changeset/red-ties-float.md
@@ -0,0 +1,5 @@
+---
+"@easypost/easy-ui": patch
+---
+
+fix: React 19 JSX runtime import
diff --git a/easy-ui-react/vite.config.mts b/easy-ui-react/vite.config.mts
index 881a8d6c..36b058d8 100644
--- a/easy-ui-react/vite.config.mts
+++ b/easy-ui-react/vite.config.mts
@@ -51,7 +51,10 @@ export default defineConfig({
       cssFileName: "style",
     },
     rollupOptions: {
-      external: ["react", "react-dom"],
+      external: (id) =>
+        ["react", "react-dom"].some(
+          (pkg) => id === pkg || id.startsWith(`${pkg}/`),
+        ),
       output: [
         {
           format: "cjs",