diff --git a/frontend/package.json b/frontend/package.json
index d7f1170c..09df2e24 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -20,7 +20,7 @@
     "@mui/styles": "5.16.0",
     "@mui/x-date-pickers": "5.0.20",
     "axios": "1.7.4",
-    "date-fns": "2.30.0",
+    "date-fns": "4.1.0",
     "jotai": "2.9.1",
     "leaflet": "1.9.4",
     "leaflet.heat": "0.2.0",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 66e4cbb7..0b29d0b7 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -93,15 +93,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.21.0":
-  version: 7.22.6
-  resolution: "@babel/runtime@npm:7.22.6"
-  dependencies:
-    regenerator-runtime: "npm:^0.13.11"
-  checksum: 10/1d2f56797f548b009910bddf3dc04f980a9701193233145dc923f3ea87c8f88121a3c3ef1d449e9cb52a370d7d025a2243c748882d5546ff079ddf5ffe29f240
-  languageName: node
-  linkType: hard
-
 "@babel/runtime@npm:^7.23.9":
   version: 7.24.4
   resolution: "@babel/runtime@npm:7.24.4"
@@ -2242,12 +2233,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"date-fns@npm:2.30.0":
-  version: 2.30.0
-  resolution: "date-fns@npm:2.30.0"
-  dependencies:
-    "@babel/runtime": "npm:^7.21.0"
-  checksum: 10/70b3e8ea7aaaaeaa2cd80bd889622a4bcb5d8028b4de9162cbcda359db06e16ff6e9309e54eead5341e71031818497f19aaf9839c87d1aba1e27bb4796e758a9
+"date-fns@npm:4.1.0":
+  version: 4.1.0
+  resolution: "date-fns@npm:4.1.0"
+  checksum: 10/d5f6e9de5bbc52310f786099e18609289ed5e30af60a71e0646784c8185ddd1d0eebcf7c96b7faaaefc4a8366f3a3a4244d099b6d0866ee2bec80d1361e64342
   languageName: node
   linkType: hard
 
@@ -5808,7 +5797,7 @@ __metadata:
     "@typescript-eslint/parser": "npm:7.18.0"
     "@vitejs/plugin-react-swc": "npm:3.7.0"
     axios: "npm:1.7.4"
-    date-fns: "npm:2.30.0"
+    date-fns: "npm:4.1.0"
     eslint: "npm:8.57.0"
     eslint-plugin-jsx-a11y: "npm:6.10.0"
     eslint-plugin-react: "npm:7.35.0"