diff --git a/plugins/datetimepicker/package-lock.json b/plugins/datetimepicker/package-lock.json
index c9a9f4c..c5962a4 100644
--- a/plugins/datetimepicker/package-lock.json
+++ b/plugins/datetimepicker/package-lock.json
@@ -903,8 +903,8 @@
       "dev": true
     },
     "concat": {
-      "version": "github:azer/concat#c64c5cbc2e60b0bc1a8f4bceafed661f66f19dcf",
-      "from": "github:azer/concat",
+      "version": "1.0.0",
+      "resolved": "github:azer/concat#c64c5cbc2e60b0bc1a8f4bceafed661f66f19dcf",
       "dev": true,
       "requires": {
         "parallel-loop": "github:azer/parallel-loop",
@@ -1454,12 +1454,6 @@
       "dev": true,
       "optional": true
     },
-    "eventemitter3": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-1.2.0.tgz",
-      "integrity": "sha1-HIaZHYFq0eUEdQ5zh0Ik7PO+xQg=",
-      "dev": true
-    },
     "events": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
@@ -1635,7 +1629,6 @@
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.0.0.tgz",
       "integrity": "sha1-jjQpjL0uF28lTv/sdaHHjMhJ/Tc=",
       "dev": true,
-      "optional": true,
       "requires": {
         "debug": "^2.2.0"
       }
@@ -2925,13 +2918,22 @@
       }
     },
     "http-proxy": {
-      "version": "1.16.2",
-      "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.16.2.tgz",
-      "integrity": "sha1-Bt/ykpUr9k2+hHH6nfcwZtTzd0I=",
+      "version": "1.18.1",
+      "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+      "integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
       "dev": true,
       "requires": {
-        "eventemitter3": "1.x.x",
-        "requires-port": "1.x.x"
+        "eventemitter3": "^4.0.0",
+        "follow-redirects": "^1.0.0",
+        "requires-port": "^1.0.0"
+      },
+      "dependencies": {
+        "eventemitter3": {
+          "version": "4.0.7",
+          "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+          "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+          "dev": true
+        }
       }
     },
     "http-proxy-agent": {