diff --git a/e2e/browser/test-app/package.json b/e2e/browser/test-app/package.json
index 662a130e..f3d6a762 100644
--- a/e2e/browser/test-app/package.json
+++ b/e2e/browser/test-app/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@inrupt/solid-client-authn-browser": "^5.0.0",
-    "@types/node": "^26.2.0",
+    "@types/node": "^26.4.0",
     "@types/react": "^19.2.18",
     "@types/react-dom": "^19.2.4",
     "typescript": "^5.3.3"
diff --git a/package-lock.json b/package-lock.json
index 73b88a6e..a0099aa0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "@types/jest": "^30.0.0",
         "@types/md5": "^2.3.5",
         "@types/n3": "^1.16.5",
-        "@types/node": "^26.2.0",
+        "@types/node": "^26.4.0",
         "@types/readable-stream": "^4.0.24",
         "eslint": "^9.28.0",
         "jest": "^30.5.0",
@@ -65,7 +65,7 @@
       },
       "devDependencies": {
         "@inrupt/solid-client-authn-browser": "^5.0.0",
-        "@types/node": "^26.2.0",
+        "@types/node": "^26.4.0",
         "@types/react": "^19.2.18",
         "@types/react-dom": "^19.2.4",
         "typescript": "^5.3.3"
@@ -3917,9 +3917,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "26.2.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
-      "integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
+      "version": "26.4.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.4.0.tgz",
+      "integrity": "sha512-faiGnoIrLH/V8cibOMEAZ8pMw6oXqSukl29ra4mN8GdaB2ZewzeaLj+INpV5N+Z1eKWzY+IzaIZH2EIR6YZRNQ==",
       "license": "MIT",
       "dependencies": {
         "undici-types": "~8.3.0"
diff --git a/package.json b/package.json
index d6676185..7e9a303c 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "@types/jest": "^30.0.0",
     "@types/md5": "^2.3.5",
     "@types/n3": "^1.16.5",
-    "@types/node": "^26.2.0",
+    "@types/node": "^26.4.0",
     "@types/readable-stream": "^4.0.24",
     "eslint": "^9.28.0",
     "jest": "^30.5.0",