diff --git a/.forgejo/workflows/e2e-tests.yaml b/.forgejo/workflows/e2e-tests.yaml
index cfafd816..0dbf80ea 100644
--- a/.forgejo/workflows/e2e-tests.yaml
+++ b/.forgejo/workflows/e2e-tests.yaml
@@ -89,6 +89,10 @@ jobs:
 
       - name: Install system dependencies
         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
+          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 9cea6daa..a5f23192 100644
--- a/.forgejo/workflows/pr-tests.yaml
+++ b/.forgejo/workflows/pr-tests.yaml
@@ -70,6 +70,10 @@ jobs:
 
       - name: Install system dependencies
         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
+          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 c169d107..7e236e79 100644
--- a/.forgejo/workflows/production.yaml
+++ b/.forgejo/workflows/production.yaml
@@ -64,6 +64,10 @@ jobs:
 
       - name: Install system dependencies
         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
+          fi
           apt-get update
           apt-get install -y libssl-dev libsnmp-dev snmp-mibs-downloader postgresql-client