diff --git a/libtorrent-rasterbar/Dockerfile b/libtorrent-rasterbar/Dockerfile
index af718150..b7ffaec9 100644
--- a/libtorrent-rasterbar/Dockerfile
+++ b/libtorrent-rasterbar/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.18.3
 ARG LIBTORRENT_VERSION
 ARG JNPROC=1
 RUN apk add --no-cache --virtual .build \