diff --git a/custom/hardened-alpine/experiment/Dockerfile b/custom/hardened-alpine/experiment/Dockerfile
index adfb0bc3..9b7a231d 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:3.14.2
+FROM alpine:3.15.0
 
 LABEL maintainer="LitmusChaos"
 
diff --git a/custom/hardened-alpine/infra/Dockerfile b/custom/hardened-alpine/infra/Dockerfile
index 0f1951df..423da213 100644
--- a/custom/hardened-alpine/infra/Dockerfile
+++ b/custom/hardened-alpine/infra/Dockerfile
@@ -1,6 +1,6 @@
 # This Dockerfile contains the hardened alpine image that can be used in litmus components.
 # It is also made non-root with default litmus directory.
-FROM alpine:3.14.2
+FROM alpine:3.15.0
 
 LABEL maintainer="LitmusChaos"