diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 1715604..7df39fa 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -75,12 +75,18 @@ jobs:
             if timeout 5 curl -s --connect-timeout 3 \
               http://192.168.1.101:3142/acng-report.html > /dev/null 2>&1; then
               echo '✅ Using apt-cacher-ng for package downloads...'
-              echo 'deb http://192.168.1.101:3142/ftp.us.debian.org/debian unstable main' > /etc/apt/sources.list
-              echo 'deb-src http://192.168.1.101:3142/ftp.us.debian.org/debian unstable main' >> /etc/apt/sources.list
+              echo 'Types: deb deb-src' > /etc/apt/sources.list.d/debian.sources
+              echo 'URIs: http://192.168.1.101:3142/ftp.us.debian.org/debian' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Suites: unstable' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Components: main' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg' >> /etc/apt/sources.list.d/debian.sources
             else
               echo '⚠️ Using standard Debian mirrors...'
-              echo 'deb http://deb.debian.org/debian unstable main' > /etc/apt/sources.list
-              echo 'deb-src http://deb.debian.org/debian unstable main' >> /etc/apt/sources.list
+              echo 'Types: deb deb-src' > /etc/apt/sources.list.d/debian.sources
+              echo 'URIs: http://deb.debian.org/debian' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Suites: unstable' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Components: main' >> /etc/apt/sources.list.d/debian.sources
+              echo 'Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg' >> /etc/apt/sources.list.d/debian.sources
             fi
 
             # Update package lists