diff --git a/package-lock.json b/package-lock.json
index 920d06d1357dc46b16922a8ef8da7bb030cee3ce..833935c27c07c10546a5b5662d10b8a6cab378e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -108,7 +108,7 @@
         "memory-fs": "0.4.1",
         "minimatch": "3.0.4",
         "node-modules-path": "1.0.1",
-        "node-sass": "4.8.2",
+        "node-sass": "4.8.3",
         "nopt": "4.0.1",
         "opn": "5.1.0",
         "portfinder": "1.0.13",
@@ -138,7 +138,7 @@
     },
     "@angular/common": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/common/-/common-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/common/-/common-5.2.9.tgz",
       "integrity": "sha512-g2hPcI0fnT4TV+Fd+1IohjuqBxPvxwyH9IzTn8PkU9X2M+F6cHCUvHxL1sWI2sF8pYcaHzVjq9WClym10X36Lg==",
       "dev": true,
       "requires": {
@@ -147,7 +147,7 @@
     },
     "@angular/compiler": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/compiler/-/compiler-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/compiler/-/compiler-5.2.9.tgz",
       "integrity": "sha512-mN+ofInk8y/tk2TCJZx8RrGdOKdrfunoCair7tfDy4XoQJE90waGfaYWo07hYU+UYwLhrg19m2Czy6rIDciUJA==",
       "dev": true,
       "requires": {
@@ -156,7 +156,7 @@
     },
     "@angular/compiler-cli": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/compiler-cli/-/compiler-cli-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/compiler-cli/-/compiler-cli-5.2.9.tgz",
       "integrity": "sha512-LAEpL/6PAev3zwTow/43Atzv9AtKLAiLoS285X3EV1f80yQpYAmFRrPUtDlrIZdhZHBBv7CxnyCVpOLU3T8ohw==",
       "dev": true,
       "requires": {
@@ -176,7 +176,7 @@
     },
     "@angular/core": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/core/-/core-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.9.tgz",
       "integrity": "sha512-cvHBJGtasrIoARvbLFyHaOsiWKVwMNrrSTZLwrlyHP8oYzkDrE0qKGer6QCqyKt+51hF53cgWEffGzM/u/0wYg==",
       "dev": true,
       "requires": {
@@ -185,7 +185,7 @@
     },
     "@angular/forms": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/forms/-/forms-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/forms/-/forms-5.2.9.tgz",
       "integrity": "sha512-zyIOiZV/FAm1iVZWTk3Joz6Jt096hbhfDbBUrssmuiTKi9dU6rWG+Z4b88zStqulKe3HFVZkgdixWlminG8nKA==",
       "dev": true,
       "requires": {
@@ -194,7 +194,7 @@
     },
     "@angular/http": {
       "version": "5.2.9",
-      "resolved": "http://registry.npmjs.org/@angular/http/-/http-5.2.9.tgz",
+      "resolved": "https://registry.npmjs.org/@angular/http/-/http-5.2.9.tgz",
       "integrity": "sha512-DKjgIk+Dp0Xv1ieG8LawvUnL4dYZp1KroAq5cfKuO9EojP0zM3tUvBtw2vbPLsHYma7g7ZMjOoAbzVxtmTBZqw==",
       "dev": true,
       "requires": {
@@ -307,7 +307,7 @@
     },
     "@types/node": {
       "version": "7.0.56",
-      "resolved": "http://registry.npmjs.org/@types/node/-/node-7.0.56.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.0.56.tgz",
       "integrity": "sha512-NgjN3xPyqbAXSIpznNAR5Cisx5uKqJWxcS9kefzSFEX/9J7O01/FHyfnvPI7SztBf9p6c8mqOn3olZWJx3ja6g==",
       "dev": true
     },
@@ -1535,7 +1535,7 @@
     },
     "compression": {
       "version": "1.7.2",
-      "resolved": "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz",
+      "resolved": "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz",
       "integrity": "sha1-qv+81qr4VLROuygDU9WtFlH1mmk=",
       "dev": true,
       "requires": {
@@ -2471,7 +2471,7 @@
     },
     "event-stream": {
       "version": "3.3.4",
-      "resolved": "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
       "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
       "dev": true,
       "requires": {
@@ -5640,7 +5640,8 @@
       "version": "2.9.2",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.9.2.tgz",
       "integrity": "sha512-ltW65co7f3PQWBDbqVvaU1WtFJUsNW7sWWm4HINhbMQIyVyzIeyZ8toX5TC5eeooE6piZoaEh4cZkueSKG3KYw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.9",
@@ -5800,9 +5801,9 @@
       "dev": true
     },
     "node-sass": {
-      "version": "4.8.2",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.8.2.tgz",
-      "integrity": "sha512-YQ9eAgtcSIqMGZO5BCIJRd/XCIz6cQuc8pChE3ZW0ANn2Yz0f2G0M6yqVg/1hXopScbJsmcyVt4ar7fJCmeldw==",
+      "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.8.3.tgz",
+      "integrity": "sha512-tfFWhUsCk/Y19zarDcPo5xpj+IW3qCfOjVdHtYeG6S1CKbQOh1zqylnQK6cV3z9k80yxAnFX9Y+a9+XysDhhfg==",
       "dev": true,
       "requires": {
         "async-foreach": "0.1.3",
@@ -5817,7 +5818,7 @@
         "lodash.mergewith": "4.6.1",
         "meow": "3.7.0",
         "mkdirp": "0.5.1",
-        "nan": "2.9.2",
+        "nan": "2.10.0",
         "node-gyp": "3.6.2",
         "npmlog": "4.1.2",
         "request": "2.79.0",
@@ -5863,6 +5864,12 @@
             "pinkie-promise": "2.0.1"
           }
         },
+        "nan": {
+          "version": "2.10.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
+          "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA==",
+          "dev": true
+        },
         "qs": {
           "version": "6.3.2",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
diff --git a/package.json b/package.json
index 5ba657f30f30e0f7ac68bdfdff44eaac232b196a..6eaf54b6cf402f4b5bb5ed9d9f3d554c190e6a47 100755
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@types/node": "^7.0.56",
     "hammerjs": "^2.0.8",
     "ng2-dnd": "^5.0.2",
-    "node-sass": "^4.8.2",
+    "node-sass": "^4.8.3",
     "nodemon": "^1.17.2",
     "rxjs": "^5.5.7",
     "tslib": "^1.9.0",