diff --git a/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml b/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
index 4599422..c90f0f1 100644
--- a/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
+++ b/.forgejo/workflows/tofu-plan-k8s-wheatley.yaml
@@ -18,7 +18,7 @@ jobs:
 
     - name: Setup apt repository
       run: |
-        echo "deb http://deb.debian.org/debian $(lsb_release -cs) main contrib non-free non-free-firmware" | tee -a /etc/apt/sources.list
+        echo "deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware" | tee -a /etc/apt/sources.list
         apt update
 
     - name: Setup Wireguard