diff --git a/quarkus/container/Dockerfile b/quarkus/container/Dockerfile
index 96b307986e..2252412be6 100644
--- a/quarkus/container/Dockerfile
+++ b/quarkus/container/Dockerfile
@@ -18,11 +18,12 @@ RUN mv /tmp/keycloak/keycloak-* /opt/keycloak && mkdir -p /opt/keycloak/data
 RUN chmod -R g+rwX /opt/keycloak
 
 FROM registry.access.redhat.com/ubi8-minimal
+ENV LANG en_US.UTF-8
 
 COPY --from=build-env --chown=1000:0 /opt/keycloak /opt/keycloak
 
 RUN microdnf update -y && \
-    microdnf install -y java-11-openjdk-headless && microdnf clean all && rm -rf /var/cache/yum/* && \
+    microdnf install -y --nodocs java-11-openjdk-headless glibc-langpack-en && microdnf clean all && rm -rf /var/cache/yum/* && \
     echo "keycloak:x:0:root" >> /etc/group && \
     echo "keycloak:x:1000:0:keycloak user:/opt/keycloak:/sbin/nologin" >> /etc/passwd