diff --git a/Dockerfile b/Dockerfile
index 4509536..ac8919f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
-FROM alpine:3.13 AS builder
+FROM alpine:3.14 AS builder
 
-ENV VERSION=11.0.0-SNAPSHOT.20210504201650
-ENV SHA256_SUM=25e030eedcd556a48da4dc83e56bb7ee5e621744f974a2e3f0fa8201c04502dd
+ENV VERSION=11.0.0-SNAPSHOT.20211214174334
 RUN apk add --no-cache \
     openjdk11-jdk \
     maven \
@@ -20,7 +19,6 @@ ENV JAVA_OPTIONS=-Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8
 ENV AIRSONIC_DIR=/home/airsonic
 
 RUN apk add --no-cache \
-    openjdk11-jre-headless \
     ca-certificates \
     openssl \
     ffmpeg \
@@ -28,6 +26,9 @@ RUN apk add --no-cache \
     opus \
     lame
 
+RUN apk add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/edge/community \
+    openjdk17-jre-headless
+
 RUN addgroup -g 2222 airsonic
 RUN adduser -h "$AIRSONIC_DIR" -S -D -u 2222 -G airsonic airsonic