diff --git a/dev-environments/http-proxy-plain-http-upstream/tinyproxy.Dockerfile b/dev-environments/http-proxy-plain-http-upstream/tinyproxy.Dockerfile
index b8d4e49aa..14e63653c 100644
--- a/dev-environments/http-proxy-plain-http-upstream/tinyproxy.Dockerfile
+++ b/dev-environments/http-proxy-plain-http-upstream/tinyproxy.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18.6
 
 LABEL summary="Forward proxy based on tinyproxy for development purposes" \
       description="Forward proxy based on tinyproxy for development purposes" \