diff --git a/9-comm/Dockerfile b/9-comm/Dockerfile
index aeff9d7..c6ca9c5 100644
--- a/9-comm/Dockerfile
+++ b/9-comm/Dockerfile
@@ -9,7 +9,7 @@ ENV LANG='en_US.UTF-8' \
 #
 # SonarQube setup
 #
-ARG SONARQUBE_VERSION=9.9.3.79811
+ARG SONARQUBE_VERSION=9.9.5.90363
 ARG SONARQUBE_ZIP_URL=https://binaries.sonarsource.com/Distribution/sonarqube/sonarqube-${SONARQUBE_VERSION}.zip
 ENV JAVA_HOME='/opt/java/openjdk' \
     SONARQUBE_HOME=/opt/sonarqube \
@@ -23,7 +23,7 @@ RUN set -eux; \
     groupadd --system --gid 1000 sonarqube; \
     useradd --system --uid 1000 --gid sonarqube sonarqube; \
     apt-get update; \
-    apt-get install -y gnupg unzip curl bash fonts-dejavu; \
+    apt-get --no-install-recommends -y install gnupg unzip curl bash fonts-dejavu; \
     echo "networkaddress.cache.ttl=5" >> "${JAVA_HOME}/conf/security/java.security"; \
     sed --in-place --expression="s?securerandom.source=file:/dev/random?securerandom.source=file:/dev/urandom?g" "${JAVA_HOME}/conf/security/java.security"; \
     # pub   2048R/D26468DE 2015-05-25