diff --git a/build.gradle b/build.gradle
index 6b23e4a3..f2e98915 100644
--- a/build.gradle
+++ b/build.gradle
@@ -74,7 +74,7 @@ dependencies {
     compile "org.elasticsearch:elasticsearch:${elasticsearchVersion}"
     compile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-client', version: elasticsearchVersion
     compile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-high-level-client', version: elasticsearchVersion
-    compile "org.mongodb:mongodb-driver:3.9.1"
+    compile "org.mongodb:mongodb-driver:3.12.14"
     compile group: 'org.locationtech.spatial4j', name: 'spatial4j', version: '0.8'
 
     console "org.grails:grails-console"