diff --git a/package.json b/package.json
index 7f9f31b..2c101e4 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   },
   "devDependencies": {
     "@types/turndown": "^5.0.5",
-    "@types/webextension-polyfill": "^0.10.7",
+    "@types/webextension-polyfill": "^0.12.1",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "autoprefixer": "^10.4.20",
     "cssnano": "^7.0.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c3c74ab..cfe1fa2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -31,8 +31,8 @@ importers:
         specifier: ^5.0.5
         version: 5.0.5
       '@types/webextension-polyfill':
-        specifier: ^0.10.7
-        version: 0.10.7
+        specifier: ^0.12.1
+        version: 0.12.1
       '@typescript-eslint/eslint-plugin':
         specifier: ^7.16.1
         version: 7.16.1(@typescript-eslint/parser@7.0.1(eslint@8.57.0)(typescript@5.5.4))(eslint@8.57.0)(typescript@5.5.4)
@@ -371,8 +371,8 @@ packages:
   '@types/vinyl@2.0.12':
     resolution: {integrity: sha512-Sr2fYMBUVGYq8kj3UthXFAu5UN6ZW+rYr4NACjZQJvHvj+c8lYv0CahmZ2P/r7iUkN44gGUBwqxZkrKXYPb7cw==}
 
-  '@types/webextension-polyfill@0.10.7':
-    resolution: {integrity: sha512-10ql7A0qzBmFB+F+qAke/nP1PIonS0TXZAOMVOxEUsm+lGSW6uwVcISFNa0I4Oyj0884TZVWGGMIWeXOVSNFHw==}
+  '@types/webextension-polyfill@0.12.1':
+    resolution: {integrity: sha512-xPTFWwQ8BxPevPF2IKsf4hpZNss4LxaOLZXypQH4E63BDLmcwX/RMGdI4tB4VO4Nb6xDBH3F/p4gz4wvof1o9w==}
 
   '@types/yargs-parser@21.0.3':
     resolution: {integrity: sha512-I4q9QU9MQv4oEOz4tAHJtNz1cwuLxn2F3xcc2iV5WdqLPpUnj30aUuxt1mAxYTG+oe8CZMV/+6rU4S4gRDzqtQ==}
@@ -2891,7 +2891,7 @@ snapshots:
       '@types/expect': 1.20.4
       '@types/node': 20.14.9
 
-  '@types/webextension-polyfill@0.10.7': {}
+  '@types/webextension-polyfill@0.12.1': {}
 
   '@types/yargs-parser@21.0.3': {}