diff --git a/package.json b/package.json
index 23896ab2..9f27b08d 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "jest-webextension-mock": "^3.7.17",
     "marked": "^2.1.3",
     "prettier": "^2.4.1",
-    "selenium-webdriver": "^4.0.0-beta.3",
+    "selenium-webdriver": "^4.0.0-rc-2",
     "ts-jest": "^25.5.1",
     "tslint": "^5.20.1",
     "tslint-etc": "^1.13.10",
diff --git a/yarn.lock b/yarn.lock
index cb922bc3..0ca0f572 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4365,7 +4365,7 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
-jszip@^3.2.2, jszip@^3.5.0:
+jszip@^3.2.2, jszip@^3.6.0:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.7.1.tgz#bd63401221c15625a1228c556ca8a68da6fda3d9"
   integrity sha512-ghL0tz1XG9ZEmRMcEN2vt7xabrDdqHHeykgARpmZ0BiIctWxM47Vt63ZO2dnp4QYt/xJVLLy5Zv1l/xRdh2byg==
@@ -5837,13 +5837,6 @@ reusify@^1.0.4:
   resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
   integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
 
-rimraf@^2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
-  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
-  dependencies:
-    glob "^7.1.3"
-
 rimraf@^3.0.0, rimraf@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
@@ -5922,15 +5915,15 @@ saxes@^3.1.9:
   dependencies:
     xmlchars "^2.1.1"
 
-selenium-webdriver@^4.0.0-beta.3:
-  version "4.0.0-beta.3"
-  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.0.0-beta.3.tgz#8c29512a27ca9c1f95a96a9a8f488304c894390e"
-  integrity sha512-R0mGHpQkSKgIWiPgcKDcckh4A6aaK0KTyWxs5ieuiI7zsXQ+Kb6neph+dNoeqq3jSBGyv3ONo2w3oohoL4D/Rg==
+selenium-webdriver@^4.0.0-rc-2:
+  version "4.0.0-rc-2"
+  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.0.0-rc-2.tgz#f533487d2612806b12473a58d86db15293c7b791"
+  integrity sha512-HT974l00r7wdZL+SPS0f8lBLVYe/aKGAFONMvVroL7z9mHm3PC30IirsYqrvSkw51Pom3XJiN5gjXBRkxuHAdw==
   dependencies:
-    jszip "^3.5.0"
-    rimraf "^2.7.1"
+    jszip "^3.6.0"
+    rimraf "^3.0.2"
     tmp "^0.2.1"
-    ws "^7.3.1"
+    ws ">=7.4.6"
 
 semver-compare@^1.0.0:
   version "1.0.0"
@@ -7157,11 +7150,16 @@ write-file-atomic@^3.0.0:
     signal-exit "^3.0.2"
     typedarray-to-buffer "^3.1.5"
 
-ws@7.4.6, ws@^7.0.0, ws@^7.3.1:
+ws@7.4.6, ws@^7.0.0:
   version "7.4.6"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
   integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
+ws@>=7.4.6:
+  version "8.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.2.3.tgz#63a56456db1b04367d0b721a0b80cae6d8becbba"
+  integrity sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==
+
 xdg-basedir@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-4.0.0.tgz#4bc8d9984403696225ef83a1573cbbcb4e79db13"