diff --git a/apps/web/src/actions/import.ts b/apps/web/src/actions/import.ts
index 936d42d..6c7469f 100644
--- a/apps/web/src/actions/import.ts
+++ b/apps/web/src/actions/import.ts
@@ -14,6 +14,10 @@ export async function importRepository(prevState: any, formData: FormData) {
     return { error: "Repository name is required." };
   }
 
+  if (repoName.length > 255) {
+    return { error: "Repository name must be 255 characters or less." };
+  }
+
   if (!repoName.includes("/") || repoName.split("/").length !== 2) {
     return { error: "Invalid format. Use owner/repo (e.g., facebook/react)." };
   }
diff --git a/apps/web/src/app/dashboard/import-form.tsx b/apps/web/src/app/dashboard/import-form.tsx
index 6cdcd3e..434eb6e 100644
--- a/apps/web/src/app/dashboard/import-form.tsx
+++ b/apps/web/src/app/dashboard/import-form.tsx
@@ -20,6 +20,7 @@ export function ImportRepositoryForm() {
           name="repository" 
           placeholder="owner/repo (e.g. facebook/react)" 
           required 
+          maxLength={255}
           className="flex-1 border border-gray-300 px-4 py-2 rounded-lg text-sm outline-none focus:border-black focus:ring-1 focus:ring-black transition-all"
         />
         <button