diff --git a/composer.json b/composer.json
index d241779b..98b37128 100644
--- a/composer.json
+++ b/composer.json
@@ -47,7 +47,7 @@
         "twbs/bootstrap": "^3.3",
         "smarty/smarty": "^3.0",
         "apigen/apigen": "2.8.0",
-        "components/jquery": "^1.8",
+        "components/jquery": "^3.4",
         "components/font-awesome": "^4.0",
         "nette/nette": "~2.1.3",
         "fperucic/treant-js": "*",