diff --git a/Dockerfile b/Dockerfile
index f201c59..0de1308 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,6 @@ RUN build/build.sh
 # STAGE 2: Runtime
 FROM alpine
 
-USER nobody:nobody
 COPY --from=build /go/bin/kuard /kuard
 
 CMD [ "/kuard" ]
diff --git a/Dockerfile.kuard b/Dockerfile.kuard
index 62c7654..7874812 100644
--- a/Dockerfile.kuard
+++ b/Dockerfile.kuard
@@ -16,5 +16,7 @@ FROM ARG_FROM
 
 ADD bin/ARG_FAKEVER/ARG_ARCH/kuard /kuard
 
-USER nobody:nobody
+# Set non-root nobody:nobody user (using UID:GID to support k8s SecurityContext runAsNonRoot:true)
+USER 65534:65534
+
 CMD ["/kuard"]
diff --git a/Dockerfile.nomultistage b/Dockerfile.nomultistage
index edc45a0..38f208d 100644
--- a/Dockerfile.nomultistage
+++ b/Dockerfile.nomultistage
@@ -21,7 +21,9 @@ ENV VERSION=test
 # Do the build. Script is part of incoming sources.
 RUN build/build.sh
 
-# At runtime run as non-root user
+# Set non-root nobody:nobody user (using UID:GID to support k8s SecurityContext runAsNonRoot:true)
+USER 65534:65534
+
 USER nobody:nobody
 
 CMD [ "/go/bin/kuard" ]
\ No newline at end of file