diff --git a/package-lock.json b/package-lock.json
index 33bc8ad..fee436f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "tweetnacl": "^1.0.1",
         "tweetnacl-util": "^0.15.0",
-        "webextension-polyfill": "^0.9.0"
+        "webextension-polyfill": "^0.10.0"
       },
       "devDependencies": {
         "eslint": "^7.22.0",
@@ -6638,9 +6638,9 @@
       }
     },
     "node_modules/webextension-polyfill": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/webextension-polyfill/-/webextension-polyfill-0.9.0.tgz",
-      "integrity": "sha512-LTtHb0yR49xa9irkstDxba4GATDAcDw3ncnFH9RImoFwDlW47U95ME5sn5IiQX2ghfaECaf6xyXM8yvClIBkkw=="
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/webextension-polyfill/-/webextension-polyfill-0.10.0.tgz",
+      "integrity": "sha512-c5s35LgVa5tFaHhrZDnr3FpQpjj1BB+RXhLTYUxGqBVN460HkbM8TBtEqdXWbpTKfzwCcjAZVF7zXCYSKtcp9g=="
     },
     "node_modules/when": {
       "version": "3.7.7",
@@ -12079,9 +12079,9 @@
       }
     },
     "webextension-polyfill": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/webextension-polyfill/-/webextension-polyfill-0.9.0.tgz",
-      "integrity": "sha512-LTtHb0yR49xa9irkstDxba4GATDAcDw3ncnFH9RImoFwDlW47U95ME5sn5IiQX2ghfaECaf6xyXM8yvClIBkkw=="
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/webextension-polyfill/-/webextension-polyfill-0.10.0.tgz",
+      "integrity": "sha512-c5s35LgVa5tFaHhrZDnr3FpQpjj1BB+RXhLTYUxGqBVN460HkbM8TBtEqdXWbpTKfzwCcjAZVF7zXCYSKtcp9g=="
     },
     "when": {
       "version": "3.7.7",
diff --git a/package.json b/package.json
index ad3c8e3..affaa7b 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "tweetnacl": "^1.0.1",
     "tweetnacl-util": "^0.15.0",
-    "webextension-polyfill": "^0.9.0"
+    "webextension-polyfill": "^0.10.0"
   },
   "devDependencies": {
     "eslint": "^7.22.0",