diff --git a/package-lock.json b/package-lock.json
index fdcc661..5c07f0c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2146,9 +2146,9 @@
       }
     },
     "web-streams-polyfill": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-2.1.1.tgz",
-      "integrity": "sha512-dlNpL2aab3g8CKfGz6rl8FNmGaRWLLn2g/DtSc9IjB30mEdE6XxzPfPSig5BwGSzI+oLxHyETrQGKjrVVhbLCg=="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.1.0.tgz",
+      "integrity": "sha512-wO9r1YnYe7kFBLHyyVEhV1H8VRWoNiNnuP+v/HUUmSTaRF8F93Kmd3JMrETx0f11GXxRek6OcL2QtjFIdc5WYw=="
     },
     "which": {
       "version": "1.3.1",
diff --git a/package.json b/package.json
index 2b4bcf9..e3ddac6 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/entryLine/gifstream#readme",
   "dependencies": {
     "bluebird": "^3.5.1",
-    "web-streams-polyfill": "^2.0.4"
+    "web-streams-polyfill": "^3.1.0"
   },
   "devDependencies": {
     "eslint": "^6.4.0",