diff --git a/graph-sample/package-lock.json b/graph-sample/package-lock.json
index c52bff2..8bfbff3 100644
--- a/graph-sample/package-lock.json
+++ b/graph-sample/package-lock.json
@@ -13,7 +13,7 @@
         "connect-flash": "^0.1.1",
         "cookie-parser": "~1.4.7",
         "date-fns": "^2.30.0",
-        "date-fns-tz": "^2.0.1",
+        "date-fns-tz": "^3.2.0",
         "debug": "^4.3.7",
         "dotenv": "^16.4.5",
         "express": "^4.21.1",
@@ -554,11 +554,11 @@
       }
     },
     "node_modules/date-fns-tz": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/date-fns-tz/-/date-fns-tz-2.0.1.tgz",
-      "integrity": "sha512-fJCG3Pwx8HUoLhkepdsP7Z5RsucUi+ZBOxyM5d0ZZ6c4SdYustq0VMmOu6Wf7bli+yS/Jwp91TOCqn9jMcVrUA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/date-fns-tz/-/date-fns-tz-3.2.0.tgz",
+      "integrity": "sha512-sg8HqoTEulcbbbVXeg84u5UnlsQa8GS5QXMqjjYIhS4abEVVKIUwe0/l/UhrZdKaL/W5eWZNlbTeEIiOXTcsBQ==",
       "peerDependencies": {
-        "date-fns": "2.x"
+        "date-fns": "^3.0.0 || ^4.0.0"
       }
     },
     "node_modules/debug": {
diff --git a/graph-sample/package.json b/graph-sample/package.json
index cf5ec2c..69188e7 100644
--- a/graph-sample/package.json
+++ b/graph-sample/package.json
@@ -13,7 +13,7 @@
     "connect-flash": "^0.1.1",
     "cookie-parser": "~1.4.7",
     "date-fns": "^2.30.0",
-    "date-fns-tz": "^2.0.1",
+    "date-fns-tz": "^3.2.0",
     "debug": "^4.3.7",
     "dotenv": "^16.4.5",
     "express": "^4.21.1",