diff --git a/package.json b/package.json
index 468eef1..7d92c3b 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "devDependencies": {
     "concurrently": "9.0.0",
     "cpx": "1.5.0",
-    "typescript": "5.5.4",
+    "typescript": "5.6.2",
     "web-ext": "8.2.0",
     "web-ext-types": "3.2.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 956cb89..f43c517 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3282,9 +3282,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@5.5.4:
-  version "5.5.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.4.tgz#d9852d6c82bad2d2eda4fd74a5762a8f5909e9ba"
+typescript@5.6.2:
+  version "5.6.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.2.tgz#d1de67b6bef77c41823f822df8f0b3bcff60a5a0"
 
 union-value@^1.0.0:
   version "1.0.0"