diff --git a/package-lock.json b/package-lock.json
index c9cdad1..7811439 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6023,7 +6023,8 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
@@ -6034,7 +6035,8 @@
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -6151,7 +6153,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -6163,6 +6166,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -6185,12 +6189,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -6209,6 +6215,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -6289,7 +6296,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -6301,6 +6309,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -6422,6 +6431,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -7014,12 +7024,6 @@
       "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
       "dev": true
     },
-    "lodash.get": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
-      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
-      "dev": true
-    },
     "lodash.tail": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/lodash.tail/-/lodash.tail-4.1.1.tgz",
@@ -9600,12 +9604,6 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "dev": true
     },
-    "samsam": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/samsam/-/samsam-1.3.0.tgz",
-      "integrity": "sha512-1HwIYD/8UlOtFS3QO3w7ey+SdSDFE4HRNLZoZRYVQefrOY3l17epswImeB1ijgJFQJodIaHcwkp3r/myBjFVbg==",
-      "dev": true
-    },
     "sass-graph": {
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.4.tgz",
@@ -11589,7 +11587,6 @@
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -11758,7 +11755,6 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -12218,64 +12214,12 @@
       }
     },
     "webextensions-api-fake": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/webextensions-api-fake/-/webextensions-api-fake-0.5.1.tgz",
-      "integrity": "sha512-GOW6bRvKgWQe2IV/0IBj9Q8wGxbsBndmJSxlfY9RLnEGf6Bg6RYvrf1pKPdXNsLXJ3hJtDgyX0FAK29++0svWw==",
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/webextensions-api-fake/-/webextensions-api-fake-0.7.4.tgz",
+      "integrity": "sha512-aSrWvEuItjle8NN/lva7EsxOZl+yzCMWA+QuPYF2Co1IZEAUnz4nmgRY9K99xtNNgo1RQ3xbdYcwnNrdFTDeHw==",
       "dev": true,
       "requires": {
-        "sinon-chrome": "^2.3.1"
-      },
-      "dependencies": {
-        "@sinonjs/formatio": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
-          "integrity": "sha512-ls6CAMA6/5gG+O/IdsBcblvnd8qcO/l1TYoNeAzp3wcISOxlPXQEus0mLcdwazEkWjaBdaJ3TaxmNgCLWwvWzg==",
-          "dev": true,
-          "requires": {
-            "samsam": "1.3.0"
-          }
-        },
-        "lolex": {
-          "version": "2.7.5",
-          "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.7.5.tgz",
-          "integrity": "sha512-l9x0+1offnKKIzYVjyXU2SiwhXDLekRzKyhnbyldPHvC7BvLPVpdNUNR2KeMAiCN2D/kLNttZgQD5WjSxuBx3Q==",
-          "dev": true
-        },
-        "sinon": {
-          "version": "4.5.0",
-          "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.5.0.tgz",
-          "integrity": "sha512-trdx+mB0VBBgoYucy6a9L7/jfQOmvGeaKZT4OOJ+lPAtI8623xyGr8wLiE4eojzBS8G9yXbhx42GHUOVLr4X2w==",
-          "dev": true,
-          "requires": {
-            "@sinonjs/formatio": "^2.0.0",
-            "diff": "^3.1.0",
-            "lodash.get": "^4.4.2",
-            "lolex": "^2.2.0",
-            "nise": "^1.2.0",
-            "supports-color": "^5.1.0",
-            "type-detect": "^4.0.5"
-          }
-        },
-        "sinon-chrome": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/sinon-chrome/-/sinon-chrome-2.3.2.tgz",
-          "integrity": "sha1-DkJTvR7Or/pX4hZLyBfCx7TvORI=",
-          "dev": true,
-          "requires": {
-            "lodash": "^4.16.3",
-            "sinon": "^4.4.2",
-            "urijs": "^1.18.2"
-          }
-        },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
+        "sinon-chrome": "^3.0.0"
       }
     },
     "webpack": {
diff --git a/package.json b/package.json
index 9521f6c..7c758a2 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "sass-loader": "^7.1.0",
     "sinon-chrome": "^3.0.1",
     "style-loader": "^0.23.1",
-    "webextensions-api-fake": "^0.5.1",
+    "webextensions-api-fake": "^0.7.4",
     "webpack": "^4.30.0",
     "webpack-cli": "^3.3.1"
   }