diff --git a/Dockerfile b/Dockerfile
index ca18eea..bb85a79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.23.0
 
 ARG IMAPFILTER_CONFIG=/config
 ARG IMAPFILTER_LOGS=/logs
@@ -17,7 +17,7 @@ RUN set -xe \
 	&& apk update \
 	&& apk upgrade \
 	&& apk add --no-cache \
-		libcrypto1.1 libssl1.1 moreutils bash wget curl \
+		libcrypto3 libssl3 moreutils bash wget curl \
 	&& apk add --no-cache --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ \
 		imapfilter \
 	&& apk del --progress --purge \