diff --git a/redxen.eu/daemons/keycloak/Containerfile b/redxen.eu/daemons/keycloak/Containerfile
index f016eca..75579d5 100644
--- a/redxen.eu/daemons/keycloak/Containerfile
+++ b/redxen.eu/daemons/keycloak/Containerfile
@@ -30,7 +30,7 @@ COPY --chown=10000:10000 --from=preparer /root/postgresql.pk8 /etc/redxen/postgr
 ADD --chown=10000:10000 keycloak.conf /opt/keycloak/conf/keycloak.conf
 
 ENV JAVA_OPTS_KC_HEAP="-Xmx4G"
-ENV JAVA_OPTS_APPEND="-Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true"
+ENV JAVA_OPTS_APPEND="-Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true -Djgroups.dns.query=keycloak-sv.redxen.svc.cluster.local"
 
 USER 10000:10000
 
diff --git a/redxen.eu/daemons/keycloak/keycloak.conf b/redxen.eu/daemons/keycloak/keycloak.conf
index 52908a9..b151cf2 100644
--- a/redxen.eu/daemons/keycloak/keycloak.conf
+++ b/redxen.eu/daemons/keycloak/keycloak.conf
@@ -10,3 +10,4 @@ health-enabled=true
 metrics-enabled=true
 log=console
 log-level=INFO
+cache-stack=kubernetes