diff --git a/Dockerfile b/Dockerfile
index 9d08a5c..245bc9e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -160,9 +160,9 @@ ADD container_files/idp/idp.xml /usr/local/tomcat/conf/Catalina/idp.xml
 ADD container_files/tomcat/server.xml /usr/local/tomcat/conf/server.xml
 
 #use log4j for tomcat logging
-ADD http://central.maven.org/maven2/org/apache/logging/log4j/log4j-core/2.11.0/log4j-core-2.11.0.jar /usr/local/tomcat/bin/
-ADD http://central.maven.org/maven2/org/apache/logging/log4j/log4j-api/2.11.0/log4j-api-2.11.0.jar /usr/local/tomcat/bin/
-ADD http://central.maven.org/maven2/org/apache/logging/log4j/log4j-jul/2.11.0/log4j-jul-2.11.0.jar /usr/local/tomcat/bin/
+ADD https://central.maven.org/maven2/org/apache/logging/log4j/log4j-core/2.11.0/log4j-core-2.11.0.jar /usr/local/tomcat/bin/
+ADD https://central.maven.org/maven2/org/apache/logging/log4j/log4j-api/2.11.0/log4j-api-2.11.0.jar /usr/local/tomcat/bin/
+ADD https://central.maven.org/maven2/org/apache/logging/log4j/log4j-jul/2.11.0/log4j-jul-2.11.0.jar /usr/local/tomcat/bin/
 RUN cd /usr/local/tomcat/; \
     chmod +r bin/log4j-*.jar;
 ADD container_files/tomcat/log4j2.xml /usr/local/tomcat/conf/