diff --git a/Dockerfile b/Dockerfile
index 384064a..72383aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.15 AS builder
 
-ENV VERSION=17.0.0
-ENV SHA256_SUM=710851fef83c5dad4dabd1eb7e79230d68879404217342c82fc35cbecb7ba8bd
+ENV VERSION=18.0.0
+ENV SHA256_SUM=c64318b3418a477bc7f431b44fa4e6d102d53c7ddea3433a31cf7f1d084c1a53
 
 RUN wget "https://github.com/keycloak/keycloak/releases/download/$VERSION/keycloak-$VERSION.tar.gz"
 RUN echo "$SHA256_SUM  keycloak-$VERSION.tar.gz" | sha256sum -c - || exit 1