diff --git a/package.json b/package.json
index 887ad7e859..bb283a8860 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "nock": "14.0.1",
     "prettier": "3.3.3",
     "rimraf": "5.0.10",
-    "smee-client": "2.0.2",
+    "smee-client": "5.0.0",
     "strip-ansi": "7.1.0",
     "typescript": "5.5.4",
     "vitest": "3.0.9",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f105318b63..4be02a5c9d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -163,8 +163,8 @@ importers:
         specifier: 5.0.10
         version: 5.0.10
       smee-client:
-        specifier: 2.0.2
-        version: 2.0.2
+        specifier: 5.0.0
+        version: 5.0.0
       strip-ansi:
         specifier: 7.1.0
         version: 7.1.0
@@ -4172,10 +4172,18 @@ packages:
     resolution: {integrity: sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==}
     engines: {node: '>=0.8.x'}
 
+  eventsource-parser@3.0.6:
+    resolution: {integrity: sha512-Vo1ab+QXPzZ4tCa8SwIHJFaSzy4R6SHf7BY79rFBDf0idraZWAkYrDjDj8uWaSm3S2TK+hJ7/t1CEmZ7jXw+pg==}
+    engines: {node: '>=18.0.0'}
+
   eventsource@2.0.2:
     resolution: {integrity: sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==}
     engines: {node: '>=12.0.0'}
 
+  eventsource@4.1.0:
+    resolution: {integrity: sha512-2GuF51iuHX6A9xdTccMTsNb7VO0lHZihApxhvQzJB5A03DvHDd2FQepodbMaztPBmBcE/ox7o2gqaxGhYB9LhQ==}
+    engines: {node: '>=20.0.0'}
+
   evp_bytestokey@1.0.3:
     resolution: {integrity: sha512-/f2Go4TognH/KvCISP7OUsHn85hT9nUkxxA9BEWxFn+Oj9o8ZNLm/40hdlgSLyuOimsrTKLUMEorQexp/aPQeA==}
 
@@ -6952,8 +6960,9 @@ packages:
     resolution: {integrity: sha512-bSiSngZ/jWeX93BqeIAbImyTbEihizcwNjFoRUIY/T1wWQsfsm2Vw1agPKylXvQTU7iASGdHhyqRlqQzfz+Htg==}
     engines: {node: '>=18'}
 
-  smee-client@2.0.2:
-    resolution: {integrity: sha512-5j7tlxKnHzZomJ1iK6QYiWK+3g6xPnisHyln1NcNvvoRbVeY7FstYonNkCsUMSnC3pYUE/mfV8OJ8SFiSjBCpA==}
+  smee-client@5.0.0:
+    resolution: {integrity: sha512-OYL8xPr1Tc0iqGohTGqHO/qEvUrPktK0a2Qcb0Uuj+j4KLnH5bsOhOlmpnmdh4zgzL3OwTfodcmkg5fVgiMUHw==}
+    engines: {node: ^20.18 || >= 22}
     hasBin: true
 
   sonic-boom@4.2.0:
@@ -7613,10 +7622,6 @@ packages:
   validate-npm-package-license@3.0.4:
     resolution: {integrity: sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==}
 
-  validator@13.12.0:
-    resolution: {integrity: sha512-c1Q0mCiPlgdTVVVIJIrBuxNicYE+t/7oKeI9MWLj3fh/uq2Pxh/3eeWbVZ4OcGW1TUf53At0njHw5SMdA3tmMg==}
-    engines: {node: '>= 0.10'}
-
   vary@1.1.2:
     resolution: {integrity: sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==}
     engines: {node: '>= 0.8'}
@@ -12088,8 +12093,14 @@ snapshots:
 
   events@3.3.0: {}
 
+  eventsource-parser@3.0.6: {}
+
   eventsource@2.0.2: {}
 
+  eventsource@4.1.0:
+    dependencies:
+      eventsource-parser: 3.0.6
+
   evp_bytestokey@1.0.3:
     dependencies:
       md5.js: 1.3.5
@@ -15725,11 +15736,10 @@ snapshots:
       ansi-styles: 6.2.1
       is-fullwidth-code-point: 5.0.0
 
-  smee-client@2.0.2:
+  smee-client@5.0.0:
     dependencies:
-      commander: 12.1.0
-      eventsource: 2.0.2
-      validator: 13.12.0
+      eventsource: 4.1.0
+      undici: 7.14.0
 
   sonic-boom@4.2.0:
     dependencies:
@@ -16500,8 +16510,6 @@ snapshots:
       spdx-correct: 3.2.0
       spdx-expression-parse: 3.0.1
 
-  validator@13.12.0: {}
-
   vary@1.1.2: {}
 
   vfile-location@5.0.3: