diff --git a/showcase/js/zeroclipboard/package.json b/showcase/js/zeroclipboard/package.json
old mode 100755
new mode 100644
index b2bd819..2ba206d
--- a/showcase/js/zeroclipboard/package.json
+++ b/showcase/js/zeroclipboard/package.json
@@ -57,7 +57,7 @@
     "grunt-mxmlc": "^0.5.1",
     "grunt-qunit-istanbul": "^0.4.5",
     "grunt-template": "^0.2.3",
-    "jquery": "^2.1.1",
+    "jquery": "^3.5.0",
     "load-grunt-tasks": "^0.6.0",
     "qunit-composite": "^1.0.1",
     "qunitjs": "^1.14.0",