diff --git a/package-lock.json b/package-lock.json
index dfb2ada9..fa733e83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "glob": "13.0.6"
       },
       "devDependencies": {
-        "eventsource": "^5.1.0",
+        "eventsource": "^5.1.1",
         "fetch-mock": "^12.6.0",
         "nock": "^14.0.17",
         "nodemon": "^3.1.14",
@@ -2387,22 +2387,22 @@
       "license": "ISC"
     },
     "node_modules/eventsource": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-5.1.0.tgz",
-      "integrity": "sha512-+errgX9LYbcpibagHh7CEjEZJvQbIDZB2yY7SbUAhHGv4Ircri3T9LH33TUtcXHDy/pFYel1xCi4VOcBnr3wmw==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-5.1.1.tgz",
+      "integrity": "sha512-onrlI7l612Ee3xnBqZNTq4djf6Fho/0yIpO/rYjRG/FzjMyPJquNx9SS3QyjglnVFxwxrube1XmX41zB+0Rdgw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "eventsource-parser": "^4.0.0"
+        "eventsource-parser": "^4.1.0"
       },
       "engines": {
         "node": ">=22.12.0"
       }
     },
     "node_modules/eventsource-parser": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-4.0.0.tgz",
-      "integrity": "sha512-aIpvYxbqTx4KYWw73KpCt1Rh22tEAJ144F1qR76CT3Ex+LNMEPKf5HFrK5Yz9fMP1EVT0GrfA35VZvWQhMPuSQ==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-4.1.0.tgz",
+      "integrity": "sha512-+DHvQ1wLO//MK+1OZgcuXCbZFKgu3YjKPJt7n98rxX8vezL0ni+7s3ZQiM8bJkUEOk7MsuCycrPLj0FzUNf7Og==",
       "dev": true,
       "license": "MIT",
       "engines": {
diff --git a/package.json b/package.json
index 07dec469..52f14ef6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "glob": "13.0.6"
   },
   "devDependencies": {
-    "eventsource": "^5.1.0",
+    "eventsource": "^5.1.1",
     "fetch-mock": "^12.6.0",
     "nock": "^14.0.17",
     "nodemon": "^3.1.14",