diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5827749744..09fa9075aa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -67,12 +67,12 @@ jobs:
       - name: Install system libraries on Ubuntu (aarch64)
         if: matrix.os == 'ubuntu-latest' && matrix.architecture == 'aarch64'
         run: |
-          CODENAME=$(lsb_release -sc)
+          CODENAME=$(grep VERSION_CODENAME /etc/os-release | cut -d= -f2)
           sudo bash -c "cat <<EOF >> /etc/apt/sources.list
-          deb [arch=arm64] http://ports.ubuntu.com/ \$CODENAME main multiverse universe
-          deb [arch=arm64] http://ports.ubuntu.com/ \$CODENAME-security main multiverse universe
-          deb [arch=arm64] http://ports.ubuntu.com/ \$CODENAME-backports main multiverse universe
-          deb [arch=arm64] http://ports.ubuntu.com/ \$CODENAME-updates main multiverse universe
+          deb [arch=arm64] http://ports.ubuntu.com/ ${CODENAME} main multiverse universe
+          deb [arch=arm64] http://ports.ubuntu.com/ ${CODENAME}-security main multiverse universe
+          deb [arch=arm64] http://ports.ubuntu.com/ ${CODENAME}-backports main multiverse universe
+          deb [arch=arm64] http://ports.ubuntu.com/ ${CODENAME}-updates main multiverse universe
           EOF"
           sudo dpkg --add-architecture arm64
           sudo apt-get update