diff --git a/package.json b/package.json
index 4530082e..20256005 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "ajv": "8.17.1",
     "axios": "1.9.0",
-    "eventsource": "2.0.2",
+    "eventsource": "3.0.6",
     "fastify": "5.3.2",
     "ioredis": "5.6.1",
     "mock-socket": "9.3.1",
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@sinonjs/fake-timers": "14.0.0",
-    "@types/eventsource": "1.1.15",
+    "@types/eventsource": "3.0.0",
     "@types/node": "22.15.3",
     "@types/sinonjs__fake-timers": "8.1.5",
     "@types/ws": "8.18.1",
diff --git a/yarn.lock b/yarn.lock
index f8a76b3b..2e2cf989 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -374,10 +374,12 @@
   resolved "https://registry.npmjs.org/@types/estree/-/estree-1.0.6.tgz"
   integrity sha512-AYnb1nQyY49te+VRAVgmzfcgjYS91mY5P0TKUDCLEM+gNnA+3T6rWITXRLYCpahpqSQbN5cE+gHpnPyXjHWxcw==
 
-"@types/eventsource@1.1.15":
-  version "1.1.15"
-  resolved "https://registry.npmjs.org/@types/eventsource/-/eventsource-1.1.15.tgz"
-  integrity sha512-XQmGcbnxUNa06HR3VBVkc9+A2Vpi9ZyLJcdS5dwaQQ/4ZMWFO+5c90FnMUpbtMZwB/FChoYHwuVg8TvkECacTA==
+"@types/eventsource@3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/eventsource/-/eventsource-3.0.0.tgz#6b1b50c677032fd3be0b5c322e8ae819b3df62eb"
+  integrity sha512-yEhFj31FTD29DtNeqePu+A+lD6loRef6YOM5XfN1kUwBHyy2DySGlA3jJU+FbQSkrfmlBVluf2Dub/OyReFGKA==
+  dependencies:
+    eventsource "*"
 
 "@types/hast@^3.0.4":
   version "3.0.4"
@@ -1268,10 +1270,17 @@ esutils@^2.0.2, esutils@^2.0.3:
   resolved "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
-eventsource@2.0.2:
-  version "2.0.2"
-  resolved "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz"
-  integrity sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==
+eventsource-parser@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/eventsource-parser/-/eventsource-parser-3.0.1.tgz#5e358dba9a55ba64ca90da883c4ca35bd82467bd"
+  integrity sha512-VARTJ9CYeuQYb0pZEPbzi740OWFgpHe7AYJ2WFZVnUDUQp5Dk2yJUgF36YsZ81cOyxT0QxmXD2EQpapAouzWVA==
+
+eventsource@*, eventsource@3.0.6:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-3.0.6.tgz#5c4b24cd70c0323eed2651a5ee07bd4bc391e656"
+  integrity sha512-l19WpE2m9hSuyP06+FbuUUf1G+R0SFLrtQfbRb9PRr+oimOfxQhgGCbVaXg5IvZyyTThJsxh6L/srkMiCeBPDA==
+  dependencies:
+    eventsource-parser "^3.0.1"
 
 fast-copy@^3.0.2:
   version "3.0.2"