diff --git a/gradle.properties b/gradle.properties
index da2da54a298..ef1186fd9d4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -115,7 +115,7 @@ xstreamVersion=1.4.20
 bootstrapVersion=3.4.1
 coreJsBundleVersion=3.30.1
 regeneratorRuntimeVersion=0.13.11
-jstreeVersion=3.3.12
+jstreeVersion=3.3.15
 webComponentPolyfillVersion=2.7.0
 whatwgFetchPolyfillVersion=3.6.2