diff --git a/test-client-web-app/package.json b/test-client-web-app/package.json
index 1a21541e..9e4813fe 100644
--- a/test-client-web-app/package.json
+++ b/test-client-web-app/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@foxglove/eslint-plugin": "1.0.1",
-    "@types/node": "^20.11.10",
+    "@types/node": "^22.5.5",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.2.18",
     "@typescript-eslint/eslint-plugin": "8.2.0",
diff --git a/typescript/ws-protocol-examples/package.json b/typescript/ws-protocol-examples/package.json
index 707ce666..5f1c118d 100644
--- a/typescript/ws-protocol-examples/package.json
+++ b/typescript/ws-protocol-examples/package.json
@@ -45,7 +45,7 @@
     "@foxglove/tsconfig": "2.0.0",
     "@types/debug": "^4.1.9",
     "@types/lodash": "^4.14.202",
-    "@types/node": "^20.11.10",
+    "@types/node": "^22.5.5",
     "@types/promise-queue": "^2.2.3",
     "@types/ws": "^8.5.10",
     "@typescript-eslint/eslint-plugin": "8.2.0",
diff --git a/typescript/ws-protocol/package.json b/typescript/ws-protocol/package.json
index e62d2042..bbaa4c5f 100644
--- a/typescript/ws-protocol/package.json
+++ b/typescript/ws-protocol/package.json
@@ -39,7 +39,7 @@
     "@types/debug": "^4.1.9",
     "@types/jest": "^29.5.11",
     "@types/lodash": "4.14.202",
-    "@types/node": "^20.11.10",
+    "@types/node": "^22.5.5",
     "@typescript-eslint/eslint-plugin": "8.2.0",
     "@typescript-eslint/parser": "8.2.0",
     "commander": "11.1.0",
diff --git a/yarn.lock b/yarn.lock
index d8d77ec9..fe26e9bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1534,12 +1534,12 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@>=13.7.0", "@types/node@^20.11.10":
-  version "20.11.10"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.10.tgz#6c3de8974d65c362f82ee29db6b5adf4205462f9"
-  integrity sha512-rZEfe/hJSGYmdfX9tvcPMYeYPW2sNl50nsw4jZmRcaG0HIAb0WYEpsB05GOb53vjqpyE9GUhlDQ4jLSoB5q9kg==
+"@types/node@*", "@types/node@>=13.7.0", "@types/node@^22.5.5":
+  version "22.5.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.5.5.tgz#52f939dd0f65fc552a4ad0b392f3c466cc5d7a44"
+  integrity sha512-Xjs4y5UPO/CLdzpgR6GirZJx36yScjh73+2NlLlkFRSoQN8B0DpfXPdZGnvVmLRLOsqDpOfTNv7D9trgGhmOIA==
   dependencies:
-    undici-types "~5.26.4"
+    undici-types "~6.19.2"
 
 "@types/parse-json@^4.0.0":
   version "4.0.1"
@@ -6574,10 +6574,10 @@ unbox-primitive@^1.0.2:
     has-symbols "^1.0.3"
     which-boxed-primitive "^1.0.2"
 
-undici-types@~5.26.4:
-  version "5.26.5"
-  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
-  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+undici-types@~6.19.2:
+  version "6.19.8"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.19.8.tgz#35111c9d1437ab83a7cdc0abae2f26d88eda0a02"
+  integrity sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"