diff --git a/package-lock.json b/package-lock.json
index ce5b79a8..422e5f42 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "eslint-plugin-prettier": "5.5.5",
         "eslint-plugin-react": "7.37.5",
         "eslint-plugin-react-hooks": "5.2.0",
-        "eventsource": "2.0.2",
+        "eventsource": "4.1.0",
         "express": "4.22.1",
         "mocha": "11.7.5",
         "node-fetch": "2.7.0",
@@ -2989,12 +2989,24 @@
       }
     },
     "node_modules/eventsource": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz",
-      "integrity": "sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-4.1.0.tgz",
+      "integrity": "sha512-2GuF51iuHX6A9xdTccMTsNb7VO0lHZihApxhvQzJB5A03DvHDd2FQepodbMaztPBmBcE/ox7o2gqaxGhYB9LhQ==",
       "dev": true,
+      "dependencies": {
+        "eventsource-parser": "^3.0.1"
+      },
       "engines": {
-        "node": ">=12.0.0"
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/eventsource-parser": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.0.6.tgz",
+      "integrity": "sha512-Vo1ab+QXPzZ4tCa8SwIHJFaSzy4R6SHf7BY79rFBDf0idraZWAkYrDjDj8uWaSm3S2TK+hJ7/t1CEmZ7jXw+pg==",
+      "dev": true,
+      "engines": {
+        "node": ">=18.0.0"
       }
     },
     "node_modules/express": {
@@ -9257,9 +9269,18 @@
       "dev": true
     },
     "eventsource": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz",
-      "integrity": "sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-4.1.0.tgz",
+      "integrity": "sha512-2GuF51iuHX6A9xdTccMTsNb7VO0lHZihApxhvQzJB5A03DvHDd2FQepodbMaztPBmBcE/ox7o2gqaxGhYB9LhQ==",
+      "dev": true,
+      "requires": {
+        "eventsource-parser": "^3.0.1"
+      }
+    },
+    "eventsource-parser": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.0.6.tgz",
+      "integrity": "sha512-Vo1ab+QXPzZ4tCa8SwIHJFaSzy4R6SHf7BY79rFBDf0idraZWAkYrDjDj8uWaSm3S2TK+hJ7/t1CEmZ7jXw+pg==",
       "dev": true
     },
     "express": {
diff --git a/package.json b/package.json
index 273aaf46..fab5404b 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "eslint-plugin-prettier": "5.5.5",
     "eslint-plugin-react": "7.37.5",
     "eslint-plugin-react-hooks": "5.2.0",
-    "eventsource": "2.0.2",
+    "eventsource": "4.1.0",
     "express": "4.22.1",
     "mocha": "11.7.5",
     "node-fetch": "2.7.0",