diff --git a/package-lock.json b/package-lock.json
index 76d3311..74a23d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       "devDependencies": {
         "@figma/plugin-typings": "^1.68.0",
         "@types/chrome": "0.0.237",
-        "@types/firefox-webext-browser": "^111.0.1",
+        "@types/firefox-webext-browser": "^120.0.1",
         "@types/offscreencanvas": "^2019.7.0",
         "@types/react": "^18.2.6",
         "@types/react-dom": "^18.2.18",
@@ -354,9 +354,9 @@
       "dev": true
     },
     "node_modules/@types/firefox-webext-browser": {
-      "version": "111.0.1",
-      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-111.0.1.tgz",
-      "integrity": "sha512-mmHWdQTCT68X0hh0URrsIyWhJeFzZHaiprj6nni/CmsAmqYq27T0eZyu1ePeKJ/zuDD3wqtTzm5TwRFAso+oPw==",
+      "version": "120.0.1",
+      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-120.0.1.tgz",
+      "integrity": "sha512-IR+NpPC+/o9TSTelcvT/w3fXTanX3LrpVxC5EQrlQyTjyWOKFz8O2mCJQ9VuejBz4NtovCGGKacXQ/VyY63L0A==",
       "dev": true
     },
     "node_modules/@types/har-format": {
@@ -3902,9 +3902,9 @@
       "dev": true
     },
     "@types/firefox-webext-browser": {
-      "version": "111.0.1",
-      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-111.0.1.tgz",
-      "integrity": "sha512-mmHWdQTCT68X0hh0URrsIyWhJeFzZHaiprj6nni/CmsAmqYq27T0eZyu1ePeKJ/zuDD3wqtTzm5TwRFAso+oPw==",
+      "version": "120.0.1",
+      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-120.0.1.tgz",
+      "integrity": "sha512-IR+NpPC+/o9TSTelcvT/w3fXTanX3LrpVxC5EQrlQyTjyWOKFz8O2mCJQ9VuejBz4NtovCGGKacXQ/VyY63L0A==",
       "dev": true
     },
     "@types/har-format": {
diff --git a/package.json b/package.json
index 0662273..e00e508 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@figma/plugin-typings": "^1.68.0",
     "@types/chrome": "0.0.237",
-    "@types/firefox-webext-browser": "^111.0.1",
+    "@types/firefox-webext-browser": "^120.0.1",
     "@types/offscreencanvas": "^2019.7.0",
     "@types/react": "^18.2.6",
     "@types/react-dom": "^18.2.18",