diff --git a/NOSTOW/firefoxExtentions/browseroverrides/package-lock.json b/NOSTOW/firefoxExtentions/browseroverrides/package-lock.json
index d247d735..45bf51fb 100644
--- a/NOSTOW/firefoxExtentions/browseroverrides/package-lock.json
+++ b/NOSTOW/firefoxExtentions/browseroverrides/package-lock.json
@@ -620,6 +620,13 @@
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+    "asap": {
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+      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
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+    "errno": {
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+      "dev": true,
+      "optional": true,
+      "requires": {
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+      }
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@@ -3944,6 +3961,13 @@
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+    "image-size": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/image-size/-/image-size-0.5.5.tgz",
+      "integrity": "sha1-Cd/Uq50g4p6xw+gLiZA3jfnjy5w=",
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@@ -4667,6 +4691,40 @@
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+    "less": {
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+      "resolved": "https://registry.npmjs.org/less/-/less-3.10.3.tgz",
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+      "dev": true,
+      "requires": {
+        "clone": "^2.1.2",
+        "errno": "^0.1.1",
+        "graceful-fs": "^4.1.2",
+        "image-size": "~0.5.0",
+        "mime": "^1.4.1",
+        "mkdirp": "^0.5.0",
+        "promise": "^7.1.1",
+        "request": "^2.83.0",
+        "source-map": "~0.6.0"
+      },
+      "dependencies": {
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=",
+          "dev": true
+        }
+      }
+    },
+    "lessc": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/lessc/-/lessc-1.0.2.tgz",
+      "integrity": "sha512-cv7EXQRiD3Cu2Vsy3S9C89G01kOv0TrLQMoWHxscCgkMYdhEvknhaINeQkZbPmUlJ87AEzjPm0y/14Cg9j7/ug==",
+      "dev": true,
+      "requires": {
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+      }
+    },
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       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
@@ -4850,6 +4908,13 @@
         "to-regex": "^3.0.2"
       }
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+    "mime": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
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+      "dev": true,
+      "optional": true
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       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.42.0.tgz",
@@ -5526,6 +5591,23 @@
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       "dev": true
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+    "promise": {
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
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+      "dev": true,
+      "optional": true,
+      "requires": {
+        "asap": "~2.0.3"
+      }
+    },
+    "prr": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
+      "integrity": "sha1-0/wRS6BplaRexok/SEzrHXj19HY=",
+      "dev": true,
+      "optional": true
+    },
     "psl": {
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diff --git a/NOSTOW/firefoxExtentions/browseroverrides/package.json b/NOSTOW/firefoxExtentions/browseroverrides/package.json
index 5c004ca7..c96608cf 100644
--- a/NOSTOW/firefoxExtentions/browseroverrides/package.json
+++ b/NOSTOW/firefoxExtentions/browseroverrides/package.json
@@ -6,11 +6,12 @@
     "compile": "mkdir css;for i in less/*.less; do base=${i%.*}; base=$(basename $base); lessc $i css/$base.css; done",
     "lint": "web-ext lint",
     "build": "web-ext build",
-	"sign": "web-ext sign"
+    "sign": "web-ext sign"
   },
   "author": "",
   "license": "ISC",
   "devDependencies": {
+    "lessc": "^1.0.2",
     "web-ext": "^4.0.0"
   }
 }