diff --git a/package.json b/package.json
index 3526bef..df2bc1c 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "sass-loader": "^13.0.2",
     "style-loader": "3.0.0",
     "ts-loader": "9.4.1",
-    "typescript": "4.2",
+    "typescript": "4.8",
     "uglifyjs-webpack-plugin": "^1.2.7",
     "url-loader": "^4.1.1",
     "web-ext-types": "^3.2.1",
diff --git a/yarn.lock b/yarn.lock
index 43024b2..372a2df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6899,10 +6899,10 @@ typeforce@^1.11.3, typeforce@^1.11.5:
   resolved "https://registry.yarnpkg.com/typeforce/-/typeforce-1.18.0.tgz#d7416a2c5845e085034d70fcc5b6cc4a90edbfdc"
   integrity sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g==
 
-typescript@4.2:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.4.tgz#8610b59747de028fda898a8aef0e103f156d0961"
-  integrity sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==
+typescript@4.8:
+  version "4.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
+  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
 
 uglify-es@^3.3.4:
   version "3.3.9"