diff --git a/Dockerfile.webserver b/Dockerfile.webserver
index b18fb6991..adf20c7ed 100644
--- a/Dockerfile.webserver
+++ b/Dockerfile.webserver
@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18
 
 RUN apk update --no-cache && apk upgrade --no-cache && \
    apk add --no-cache ca-certificates bind-tools tini