diff --git a/config/core/rootfs-configs.yaml b/config/core/rootfs-configs.yaml
index 9264f4c971..f694650f31 100644
--- a/config/core/rootfs-configs.yaml
+++ b/config/core/rootfs-configs.yaml
@@ -230,7 +230,7 @@ rootfs_configs:
       - wget
     script: "scripts/trixie-gst-h26forge.sh"
     test_overlay: "overlays/h26forge"
-    imagesize: 4GB
+    imagesize: 5GB
     debos_memory: 8G
     debos_scratchsize: 16G