diff --git a/package-lock.json b/package-lock.json
index 8804851e..5233fb6c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@cucumber/screenplay": "^5.1.0",
         "@testing-library/dom": "10.4.1",
         "@testing-library/user-event": "13.5.0",
-        "@types/eventsource": "1.1.15",
+        "@types/eventsource": "3.0.0",
         "@types/express": "5.0.1",
         "@types/mocha": "10.0.10",
         "@types/node": "22.17.0",
@@ -814,10 +814,14 @@
       }
     },
     "node_modules/@types/eventsource": {
-      "version": "1.1.15",
-      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-1.1.15.tgz",
-      "integrity": "sha512-XQmGcbnxUNa06HR3VBVkc9+A2Vpi9ZyLJcdS5dwaQQ/4ZMWFO+5c90FnMUpbtMZwB/FChoYHwuVg8TvkECacTA==",
-      "dev": true
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-3.0.0.tgz",
+      "integrity": "sha512-yEhFj31FTD29DtNeqePu+A+lD6loRef6YOM5XfN1kUwBHyy2DySGlA3jJU+FbQSkrfmlBVluf2Dub/OyReFGKA==",
+      "deprecated": "This is a stub types definition. eventsource provides its own type definitions, so you do not need this installed.",
+      "dev": true,
+      "dependencies": {
+        "eventsource": "*"
+      }
     },
     "node_modules/@types/express": {
       "version": "5.0.1",
@@ -7712,10 +7716,13 @@
       }
     },
     "@types/eventsource": {
-      "version": "1.1.15",
-      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-1.1.15.tgz",
-      "integrity": "sha512-XQmGcbnxUNa06HR3VBVkc9+A2Vpi9ZyLJcdS5dwaQQ/4ZMWFO+5c90FnMUpbtMZwB/FChoYHwuVg8TvkECacTA==",
-      "dev": true
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-3.0.0.tgz",
+      "integrity": "sha512-yEhFj31FTD29DtNeqePu+A+lD6loRef6YOM5XfN1kUwBHyy2DySGlA3jJU+FbQSkrfmlBVluf2Dub/OyReFGKA==",
+      "dev": true,
+      "requires": {
+        "eventsource": "*"
+      }
     },
     "@types/express": {
       "version": "5.0.1",
diff --git a/package.json b/package.json
index 2918a047..4e2755a8 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@cucumber/microdata": "2.2.0",
     "@testing-library/dom": "10.4.1",
     "@testing-library/user-event": "13.5.0",
-    "@types/eventsource": "1.1.15",
+    "@types/eventsource": "3.0.0",
     "@types/express": "5.0.1",
     "@types/mocha": "10.0.10",
     "@types/node": "22.17.0",