diff --git a/src/runvm-osbuild b/src/runvm-osbuild
index 5893640c37..ac159a7b39 100755
--- a/src/runvm-osbuild
+++ b/src/runvm-osbuild
@@ -118,10 +118,12 @@ osbuild-mpp                                               \
 osbuild \
     --out "$outdir"              \
     --store "$storedir"          \
-    --cache-max-size 14GiB       \
+    --cache-max-size 20GiB       \
     --checkpoint build           \
     --checkpoint tree            \
     --checkpoint raw-image       \
+    --checkpoint metal           \
+    --checkpoint meta4k          \
     ${platforms[@]/#/--export=}  \
     "${processed_json}"