diff --git a/package-lock.json b/package-lock.json
index 6a9831c..0bc7c2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "@testing-library/react": "^16.3.3",
         "@testing-library/user-event": "^14.6.7",
         "@types/dompurify": "^3.2.0",
-        "@types/node": "^25.6.0",
+        "@types/node": "^26.6.4",
         "@types/plotly.js-dist-min": "^2.3.4",
         "@types/react": "^18.3.12",
         "@types/react-dom": "^18.3.1",
@@ -2275,13 +2275,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.6.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.0.tgz",
-      "integrity": "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ==",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.19.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/plotly.js": {
@@ -6734,9 +6734,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.19.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.19.2.tgz",
-      "integrity": "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index e7e143e..bb1beb0 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "@testing-library/react": "^16.3.3",
     "@testing-library/user-event": "^14.6.7",
     "@types/dompurify": "^3.2.0",
-    "@types/node": "^25.6.0",
+    "@types/node": "^26.6.4",
     "@types/plotly.js-dist-min": "^2.3.4",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",