diff --git a/Dockerfile.scratch b/Dockerfile.scratch
index 64f4746..f563751 100644
--- a/Dockerfile.scratch
+++ b/Dockerfile.scratch
@@ -1,4 +1,4 @@
-FROM alpine:3.17.2 as nobody
+FROM alpine:3.21.3 as nobody
 
 FROM scratch
 # use a non-privileged user but need to add it in