diff --git a/.forgejo/workflows/e2e-tests.yaml b/.forgejo/workflows/e2e-tests.yaml
index 0dbf80ea..4f3a8782 100644
--- a/.forgejo/workflows/e2e-tests.yaml
+++ b/.forgejo/workflows/e2e-tests.yaml
@@ -91,7 +91,7 @@ jobs:
         run: |
           . /etc/os-release
           if [ "$ID" = "debian" ]; then
-            echo "deb http://deb.debian.org/debian $VERSION_CODENAME main contrib non-free non-free-firmware" > /etc/apt/sources.list.d/non-free.list
+            sed -i 's/ main$/ main contrib non-free non-free-firmware/' /etc/apt/sources.list
           fi
           apt-get update
           apt-get install -y libssl-dev libsnmp-dev snmp-mibs-downloader postgresql-client
diff --git a/.forgejo/workflows/pr-tests.yaml b/.forgejo/workflows/pr-tests.yaml
index a5f23192..d9dfa779 100644
--- a/.forgejo/workflows/pr-tests.yaml
+++ b/.forgejo/workflows/pr-tests.yaml
@@ -72,7 +72,7 @@ jobs:
         run: |
           . /etc/os-release
           if [ "$ID" = "debian" ]; then
-            echo "deb http://deb.debian.org/debian $VERSION_CODENAME main contrib non-free non-free-firmware" > /etc/apt/sources.list.d/non-free.list
+            sed -i 's/ main$/ main contrib non-free non-free-firmware/' /etc/apt/sources.list
           fi
           apt-get update
           apt-get install -y libssl-dev libsnmp-dev snmp-mibs-downloader postgresql-client
diff --git a/.forgejo/workflows/production.yaml b/.forgejo/workflows/production.yaml
index 7e236e79..4f796574 100644
--- a/.forgejo/workflows/production.yaml
+++ b/.forgejo/workflows/production.yaml
@@ -66,7 +66,7 @@ jobs:
         run: |
           . /etc/os-release
           if [ "$ID" = "debian" ]; then
-            echo "deb http://deb.debian.org/debian $VERSION_CODENAME main contrib non-free non-free-firmware" > /etc/apt/sources.list.d/non-free.list
+            sed -i 's/ main$/ main contrib non-free non-free-firmware/' /etc/apt/sources.list
           fi
           apt-get update
           apt-get install -y libssl-dev libsnmp-dev snmp-mibs-downloader postgresql-client