diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 77e2629..38ae079 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -13,6 +13,7 @@ jobs:
         DEBIAN_FRONTEND: noninteractive
     steps:
       - run: |
+          apt-get update
           apt-get install gpg wget -y
           wget https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/cuda-keyring_1.0-1_all.deb
           dpkg -i cuda-keyring_1.0-1_all.deb