diff --git a/colab/GPU.ipynb b/colab/GPU.ipynb
index 1c3efad92..ba46cf0d3 100644
--- a/colab/GPU.ipynb
+++ b/colab/GPU.ipynb
@@ -104,6 +104,7 @@
         "!pip install -r requirements-complete.txt\n",
         "!pip install tensorflow==2.12\n",
         "!wget https://github.com/cloudflare/cloudflared/releases/download/2023.5.0/cloudflared-linux-amd64 -O /tmp/cloudflared-linux-amd64\n",
+        "!chmod +x /tmp/cloudflared-linux-amd64\n",
         "\n",
         "\n",
         "cmd = f\"python server.py {' '.join(params)}\"\n",