diff --git a/package-lock.json b/package-lock.json
index bc90903ad..de884a1d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "@types/react-datepicker": "^4.19.5",
         "axios": "^1.7.7",
         "classnames": "^2.5.1",
-        "date-fns": "^2.29.3",
+        "date-fns": "^4.1.0",
         "less": "^4.2.0",
         "less-loader": "^12.2.0",
         "next": "^14.2.15",
@@ -1935,6 +1935,21 @@
         "react": "^17.0.0 || ^18.0.0"
       }
     },
+    "node_modules/@navikt/ds-react/node_modules/date-fns": {
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.30.0.tgz",
+      "integrity": "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==",
+      "dependencies": {
+        "@babel/runtime": "^7.21.0"
+      },
+      "engines": {
+        "node": ">=0.11"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/date-fns"
+      }
+    },
     "node_modules/@navikt/ds-tokens": {
       "version": "5.18.3",
       "resolved": "https://npm.pkg.github.com/download/@navikt/ds-tokens/5.18.3/c03906e7264f2534ab5f6238a2e2850307e51af3",
@@ -3240,6 +3255,21 @@
         "react-popper": "^2.2.5"
       }
     },
+    "node_modules/@types/react-datepicker/node_modules/date-fns": {
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.30.0.tgz",
+      "integrity": "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==",
+      "dependencies": {
+        "@babel/runtime": "^7.21.0"
+      },
+      "engines": {
+        "node": ">=0.11"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/date-fns"
+      }
+    },
     "node_modules/@types/react-dom": {
       "version": "18.0.10",
       "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-18.0.10.tgz",
@@ -5548,18 +5578,12 @@
       }
     },
     "node_modules/date-fns": {
-      "version": "2.30.0",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.30.0.tgz",
-      "integrity": "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==",
-      "dependencies": {
-        "@babel/runtime": "^7.21.0"
-      },
-      "engines": {
-        "node": ">=0.11"
-      },
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==",
       "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/date-fns"
+        "type": "github",
+        "url": "https://github.com/sponsors/kossnocorp"
       }
     },
     "node_modules/dayjs": {
diff --git a/package.json b/package.json
index c4c622f69..528a6767f 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@types/react-datepicker": "^4.19.5",
     "axios": "^1.7.7",
     "classnames": "^2.5.1",
-    "date-fns": "^2.29.3",
+    "date-fns": "^4.1.0",
     "less": "^4.2.0",
     "less-loader": "^12.2.0",
     "next": "^14.2.15",