diff --git a/package.json b/package.json
index 5e5cfd11..c6c2b58d 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "highlight.js": "^9.18.0",
     "jquery": "^3.4.1",
     "jquery-ui": "^1.12.1",
-    "jstree": "^3.3.8",
+    "jstree": "^3.3.9",
     "opensans-webkit": "^1.0.1",
     "popper.js": "^1.16.1",
     "snyk": "^1.290.2",
diff --git a/yarn.lock b/yarn.lock
index b6a7b806..868e16df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4834,10 +4834,10 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
-jstree@^3.3.8:
-  version "3.3.8"
-  resolved "https://registry.yarnpkg.com/jstree/-/jstree-3.3.8.tgz#8d0f506028d65e5207efa7b78e6541cbe35622c1"
-  integrity sha512-0/nhGxVLSGfGQyVg+q59ocqSEKWRDKHoA8wNrcOIvlzCCw19tzvcMNGJ19hf+U0b7fycABowkny7fQPcLgUwwA==
+jstree@^3.3.9:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/jstree/-/jstree-3.3.9.tgz#62b47cad3c4fda390d021e5c4f98ee5b3365198a"
+  integrity sha512-jRIbhg+BHrIs1Wm6oiJt3oKTVBE6sWS0PCp2/RlkIUqsLUPWUYgV3q8LfKoi1/E+YMzGtP6BuK4okk+0mwfmhQ==
   dependencies:
     jquery ">=1.9.1"