diff --git a/samples/datatrue-suite-replication/package-lock.json b/samples/datatrue-suite-replication/package-lock.json
index 79f952e71..172ebb410 100644
--- a/samples/datatrue-suite-replication/package-lock.json
+++ b/samples/datatrue-suite-replication/package-lock.json
@@ -12,7 +12,7 @@
         "@google/clasp": "^2.5.0",
         "@types/google-apps-script": "^2.0.11",
         "@types/js-yaml": "^4.0.9",
-        "@types/node": "^24.13.2",
+        "@types/node": "^26.0.1",
         "@typescript-eslint/eslint-plugin": "^8.62.1",
         "@typescript-eslint/parser": "^8.32.1",
         "clean-webpack-plugin": "^4.0.0",
@@ -903,12 +903,12 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "24.13.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.2.tgz",
-      "integrity": "sha512-fRa09kZTgu8o71KFcDjUFuc7F+dEbZYZmkI0mg5YBTRs0yMKjYHsq/c0urDKeDb+D5qVgXOdFcuu+DZPKOITwA==",
+      "version": "26.0.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.1.tgz",
+      "integrity": "sha512-fc3KiUoBt6kie0N9bIW3E47vZsuaMf0PM2AaUpLCLT0s/LvX1nxAim6Fc049cNxODPpGm6qRAuUOB86SkRuPQw==",
       "dev": true,
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6025,9 +6025,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true
     },
     "node_modules/universalify": {
@@ -7032,12 +7032,12 @@
       "dev": true
     },
     "@types/node": {
-      "version": "24.13.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.2.tgz",
-      "integrity": "sha512-fRa09kZTgu8o71KFcDjUFuc7F+dEbZYZmkI0mg5YBTRs0yMKjYHsq/c0urDKeDb+D5qVgXOdFcuu+DZPKOITwA==",
+      "version": "26.0.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.1.tgz",
+      "integrity": "sha512-fc3KiUoBt6kie0N9bIW3E47vZsuaMf0PM2AaUpLCLT0s/LvX1nxAim6Fc049cNxODPpGm6qRAuUOB86SkRuPQw==",
       "dev": true,
       "requires": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "@types/normalize-package-data": {
@@ -10649,9 +10649,9 @@
       "dev": true
     },
     "undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true
     },
     "universalify": {
diff --git a/samples/datatrue-suite-replication/package.json b/samples/datatrue-suite-replication/package.json
index 4bed82c01..2707eecf7 100644
--- a/samples/datatrue-suite-replication/package.json
+++ b/samples/datatrue-suite-replication/package.json
@@ -12,7 +12,7 @@
     "@google/clasp": "^2.5.0",
     "@types/google-apps-script": "^2.0.11",
     "@types/js-yaml": "^4.0.9",
-    "@types/node": "^24.13.2",
+    "@types/node": "^26.0.1",
     "@typescript-eslint/eslint-plugin": "^8.62.1",
     "@typescript-eslint/parser": "^8.32.1",
     "clean-webpack-plugin": "^4.0.0",