diff --git a/custom/hardened-alpine/experiment/Dockerfile b/custom/hardened-alpine/experiment/Dockerfile
index 86deff2e..bc567186 100644
--- a/custom/hardened-alpine/experiment/Dockerfile
+++ b/custom/hardened-alpine/experiment/Dockerfile
@@ -1,7 +1,7 @@
# This Dockerfile contains the hardened alpine image with all the
# litmus experiment dependencies installed.
# It is also made non-root, sudo-enabled with default litmus directory.
-FROM alpine:3.16.2
+FROM alpine:3.21.3
LABEL maintainer="LitmusChaos"