diff --git a/lib/json/test/build.properties b/lib/json/test/build.properties
index 075f640..997aa9b 100644
--- a/lib/json/test/build.properties
+++ b/lib/json/test/build.properties
@@ -5,6 +5,6 @@
 json-schema-validator.version=2.2.6
 
 # Maven dependency download locations
-mvn.repo=http://repo1.maven.org/maven2
+mvn.repo=https://repo1.maven.org/maven2
 mvn.ant.task.url=${mvn.repo}/org/apache/maven/maven-ant-tasks/${mvn.ant.task.version}
 mvn.ant.task.jar=maven-ant-tasks-${mvn.ant.task.version}.jar