diff --git a/js/package-lock.json b/js/package-lock.json
index 0a78352f0..ffb448b5f 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -3119,7 +3119,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3140,12 +3141,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3160,17 +3163,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3287,7 +3293,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3299,6 +3306,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3313,6 +3321,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3320,12 +3329,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -3344,6 +3355,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3424,7 +3436,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3436,6 +3449,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3521,7 +3535,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3557,6 +3572,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3576,6 +3592,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3619,12 +3636,14 @@
         "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
         }
       }
     },
@@ -4559,9 +4578,9 @@
       "dev": true
     },
     "mini-css-extract-plugin": {
-      "version": "0.4.4",
-      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.4.4.tgz",
-      "integrity": "sha512-o+Jm+ocb0asEngdM6FsZWtZsRzA8koFUudIDwYUfl94M3PejPHG7Vopw5hN9V8WsMkSFpm3tZP3Fesz89EyrfQ==",
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.4.5.tgz",
+      "integrity": "sha512-dqBanNfktnp2hwL2YguV9Jh91PFX7gu7nRLs4TGsbAfAG6WOtlynFRYzwDwmmeSb5uIwHo9nx1ta0f7vAZVp2w==",
       "dev": true,
       "requires": {
         "loader-utils": "^1.1.0",
@@ -6630,7 +6649,7 @@
       "dependencies": {
         "cacache": {
           "version": "10.0.4",
-          "resolved": "http://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
           "integrity": "sha512-Dph0MzuH+rTQzGPNT9fAnrPmMmjKfST6trxJeK7NQuHRaVw24VzPRWTmg9MpcwOVQZO0E1FBICUlFeNaKPIfHA==",
           "dev": true,
           "requires": {
diff --git a/js/package.json b/js/package.json
index 9f3fcf2f8..80fc0e697 100644
--- a/js/package.json
+++ b/js/package.json
@@ -28,7 +28,7 @@
     "babel-loader": "^8.0.4",
     "css-loader": "^1.0.1",
     "karma": "^3.1.1",
-    "mini-css-extract-plugin": "^0.4.4",
+    "mini-css-extract-plugin": "^0.4.5",
     "uglifyjs-webpack-plugin": "^2.0.1",
     "webpack": "^4.25.1",
     "webpack-cli": "^3.1.2",