diff --git a/examples/deployment/docker/envsubst/Dockerfile b/examples/deployment/docker/envsubst/Dockerfile
index 51480806fc..cbd92fa8aa 100644
--- a/examples/deployment/docker/envsubst/Dockerfile
+++ b/examples/deployment/docker/envsubst/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.19@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3.20@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 
 RUN apk add --no-cache gettext