diff --git a/regchain/package-lock.json b/regchain/package-lock.json
index 3c86548..e34ec81 100644
--- a/regchain/package-lock.json
+++ b/regchain/package-lock.json
@@ -3801,9 +3801,9 @@
       "dev": true
     },
     "jquery": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.3.1.tgz",
-      "integrity": "sha512-Ubldcmxp5np52/ENotGxlLe6aGMvmF4R8S6tZjsP6Knsaxd/xp3Zrh50cG93lR6nPXyUFwzN3ZSOQI0wRJNdGg=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.4.0.tgz",
+      "integrity": "sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ=="
     },
     "js-tokens": {
       "version": "4.0.0",
diff --git a/regchain/package.json b/regchain/package.json
index 5c759dd..d9f9019 100644
--- a/regchain/package.json
+++ b/regchain/package.json
@@ -39,7 +39,7 @@
     "core-js": "^2.4.1",
     "express": "^4.16.3",
     "http-proxy-middleware": "^0.19.1",
-    "jquery": "^3.2.1",
+    "jquery": "^3.4.0",
     "rxjs": "^6.3.3",
     "tether": "^1.4.0",
     "zone.js": "^0.8.4"