diff --git a/package.json b/package.json
index fc46eb2ffa07..9ccaf30f5d31 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,7 @@
     "sanitize-filename": "^1.6.3",
     "send": "^0.18.0",
     "source-map-support": "^0.5.21",
-    "sse.js": "^1.0.0",
+    "sse.js": "^2.1.0",
     "tempy": "^3.1.0",
     "unified": "^11.0.4",
     "unist-builder": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index 276fc7aba096..d5bcdbe098a5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13707,10 +13707,10 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==
 
-sse.js@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/sse.js/-/sse.js-1.0.0.tgz#e9fe65fddb851293a180b3512e9fce3159e40c6f"
-  integrity sha512-oYYx3haJBwXvuMzNEoZGQb0dsqhJJO9bgDs5VTppocoUYy/CftkmFjY9+R6H8tSotjmwuhYdMDJf+MMSDm8SNQ==
+sse.js@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/sse.js/-/sse.js-2.1.0.tgz#edec93bb359896737497f7c3e78d7f3922ef50a3"
+  integrity sha512-pD2rLanKnaQwlXzNT4RKDfxy3UhbewzTTV/84s0fjS9B+rCWKDvv2okkqBInW5O9DA/PvUenTkmUXUXTyQJ1Bw==
 
 stable@^0.1.8:
   version "0.1.8"