diff --git a/docker/build/Dockerfile.source b/docker/build/Dockerfile.source
index f82bd13830fa..d991e9e62b8d 100644
--- a/docker/build/Dockerfile.source
+++ b/docker/build/Dockerfile.source
@@ -10,7 +10,7 @@ WORKDIR /deploy/sakai
 RUN git checkout ${release} && mvn clean install sakai:deploy -Dmaven.test.skip=true
 
 
-FROM tomcat:9.0.20-jre8
+FROM tomcat:9.0.86-jre8
 
 COPY lib/server.xml /usr/local/tomcat/conf/server.xml
 COPY lib/context.xml /usr/local/tomcat/conf/context.xml