diff --git a/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package-lock.json b/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package-lock.json
index d058e70..4fc87a4 100644
--- a/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package-lock.json
+++ b/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package-lock.json
@@ -578,7 +578,7 @@
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     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
       "requires": {
@@ -791,7 +791,7 @@
     },
     "commander": {
       "version": "2.8.1",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
       "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
       "dev": true,
       "requires": {
@@ -1599,7 +1599,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2014,7 +2015,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2070,6 +2072,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2113,12 +2116,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -3590,9 +3595,9 @@
       "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
     },
     "moment-timezone": {
-      "version": "0.5.21",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.21.tgz",
-      "integrity": "sha512-j96bAh4otsgj3lKydm3K7kdtA3iKf2m6MY2iSYCzCm5a1zmHo1g+aK3068dDEeocLZQIS9kU8bsdQHLqEvgW0A==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
         "moment": ">= 2.9.0"
       }
@@ -4884,7 +4889,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
@@ -4951,7 +4956,7 @@
       "dependencies": {
         "moment-timezone": {
           "version": "0.4.1",
-          "resolved": "http://registry.npmjs.org/moment-timezone/-/moment-timezone-0.4.1.tgz",
+          "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.4.1.tgz",
           "integrity": "sha1-gfWYw61eIs2teWtn7NjYjQ9bqgY=",
           "requires": {
             "moment": ">= 2.6.0"
diff --git a/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package.json b/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package.json
index 02b0cf1..bab2ca9 100644
--- a/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package.json
+++ b/IdentityServer4.Admin/src/Skoruba.IdentityServer4.Admin/package.json
@@ -20,7 +20,7 @@
     "holderjs": "2.9.4",
     "open-iconic": "1.1.1",
     "moment": "2.22.2",
-    "moment-timezone": "0.5.21",
+    "moment-timezone": "0.5.35",
     "tempusdominus-core": "5.0.3",
     "font-awesome": "4.7.0"
   },