diff --git a/Dockerfile b/Dockerfile
index b1544989..1aa3d38a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ COPY rel rel
 RUN mix do compile, release
 
 # prepare release image
-FROM alpine:3.14.2 AS app
+FROM alpine:3.17.1 AS app
 RUN apk add --no-cache openssl ncurses-libs
 
 WORKDIR /app