diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 72a88ba..4760e4a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,9 +42,19 @@ jobs:
 
           cat > build.sh << EOL
           #!/bin/bash
+          cd /home
+          # install radxa APT repo, see https://radxa-repo.github.io/bullseye/
+          keyring="/home/keyring.deb"
+          version="\$(curl -L https://github.com/radxa-pkg/radxa-archive-keyring/releases/latest/download/VERSION)"
+          curl -L --output "\$keyring" "https://github.com/radxa-pkg/radxa-archive-keyring/releases/download/\${version}/radxa-archive-keyring_\${version}_all.deb"
+          dpkg -i \$keyring
+          tee /etc/apt/sources.list.d/70-radxa.list <<< "deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https://radxa-repo.github.io/bullseye/ bullseye main"
+          tee /etc/apt/sources.list.d/80-rockchip.list <<< "deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https://radxa-repo.github.io/bullseye rockchip-bullseye main"
+
           apt-get update
           apt-get install -y cmake g++ git pkg-config librockchip-mpp-dev libcairo-dev libdrm-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
-          cd /home
+          apt clean
+
           cmake -B build
           cmake --build build -j4
           EOL