diff --git a/package-lock.json b/package-lock.json
index 9da9a3a2d..3dcc6c910 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
                 "@navikt/oasis": "^3.7.0",
                 "@react-pdf/renderer": "^4.2.2",
                 "@react-pdf/types": "^2.7.0",
-                "@tanstack/query-core": "^5.62.15",
+                "@tanstack/query-core": "^5.66.4",
                 "@tanstack/react-query": "^5.66.0",
                 "@unleash/nextjs": "^1.6.1",
                 "classnames": "^2.5.1",
@@ -2662,9 +2662,9 @@
             }
         },
         "node_modules/@tanstack/query-core": {
-            "version": "5.66.0",
-            "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.66.0.tgz",
-            "integrity": "sha512-J+JeBtthiKxrpzUu7rfIPDzhscXF2p5zE/hVdrqkACBP8Yu0M96mwJ5m/8cPPYQE9aRNvXztXHlNwIh4FEeMZw==",
+            "version": "5.66.4",
+            "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.66.4.tgz",
+            "integrity": "sha512-skM/gzNX4shPkqmdTCSoHtJAPMTtmIJNS0hE+xwTTUVYwezArCT34NMermABmBVUg5Ls5aiUXEDXfqwR1oVkcA==",
             "license": "MIT",
             "funding": {
                 "type": "github",
@@ -2687,6 +2687,16 @@
                 "react": "^18 || ^19"
             }
         },
+        "node_modules/@tanstack/react-query/node_modules/@tanstack/query-core": {
+            "version": "5.66.0",
+            "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.66.0.tgz",
+            "integrity": "sha512-J+JeBtthiKxrpzUu7rfIPDzhscXF2p5zE/hVdrqkACBP8Yu0M96mwJ5m/8cPPYQE9aRNvXztXHlNwIh4FEeMZw==",
+            "license": "MIT",
+            "funding": {
+                "type": "github",
+                "url": "https://github.com/sponsors/tannerlinsley"
+            }
+        },
         "node_modules/@testing-library/dom": {
             "version": "10.4.0",
             "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.0.tgz",
diff --git a/package.json b/package.json
index 4b291b899..3cd89ad11 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
         "@navikt/oasis": "^3.7.0",
         "@react-pdf/renderer": "^4.2.2",
         "@react-pdf/types": "^2.7.0",
-        "@tanstack/query-core": "^5.62.15",
+        "@tanstack/query-core": "^5.66.4",
         "@tanstack/react-query": "^5.66.0",
         "@unleash/nextjs": "^1.6.1",
         "classnames": "^2.5.1",