diff --git a/samples/client/petstore/bash/Dockerfile b/samples/client/petstore/bash/Dockerfile
index 451c6a916f96..ebcbfccda9d2 100644
--- a/samples/client/petstore/bash/Dockerfile
+++ b/samples/client/petstore/bash/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12.0
+FROM alpine:3.20.3
 
 RUN apk add --update --no-cache curl ca-certificates bash bash-completion zsh curl git vim ncurses util-linux