diff --git a/package.json b/package.json
index cb189ae..b5bdd21 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "@typescript-eslint/eslint-plugin": "7.18.0",
-    "@typescript-eslint/parser": "7.18.0",
+    "@typescript-eslint/parser": "8.11.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-prettier": "^5.2.1",
diff --git a/yarn.lock b/yarn.lock
index 36ffe63..f8b5e8a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -77,7 +77,7 @@ __metadata:
   resolution: "@navikt/eslint-config-teamsykmelding@workspace:."
   dependencies:
     "@typescript-eslint/eslint-plugin": "npm:7.18.0"
-    "@typescript-eslint/parser": "npm:7.18.0"
+    "@typescript-eslint/parser": "npm:8.11.0"
     eslint: "npm:^8.57.1"
     eslint-config-prettier: "npm:^9.1.0"
     eslint-plugin-import: "npm:^2.31.0"
@@ -179,21 +179,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@typescript-eslint/parser@npm:7.18.0":
-  version: 7.18.0
-  resolution: "@typescript-eslint/parser@npm:7.18.0"
+"@typescript-eslint/parser@npm:8.11.0":
+  version: 8.11.0
+  resolution: "@typescript-eslint/parser@npm:8.11.0"
   dependencies:
-    "@typescript-eslint/scope-manager": "npm:7.18.0"
-    "@typescript-eslint/types": "npm:7.18.0"
-    "@typescript-eslint/typescript-estree": "npm:7.18.0"
-    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    "@typescript-eslint/scope-manager": "npm:8.11.0"
+    "@typescript-eslint/types": "npm:8.11.0"
+    "@typescript-eslint/typescript-estree": "npm:8.11.0"
+    "@typescript-eslint/visitor-keys": "npm:8.11.0"
     debug: "npm:^4.3.4"
   peerDependencies:
-    eslint: ^8.56.0
+    eslint: ^8.57.0 || ^9.0.0
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/370e73fca4278091bc1b657f85e7d74cd52b24257ea20c927a8e17546107ce04fbf313fec99aed0cc2a145ddbae1d3b12e9cc2c1320117636dc1281bcfd08059
+  checksum: 10c0/e83f239fec60697083e5dcb1c8948340e783ea6e043fe9a65d557faef8882963b09d69aacd736eb8ab18a768769a7bbfc3de0f1251d4bba080613541acb0741c
   languageName: node
   linkType: hard
 
@@ -217,6 +217,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/scope-manager@npm:8.11.0":
+  version: 8.11.0
+  resolution: "@typescript-eslint/scope-manager@npm:8.11.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:8.11.0"
+    "@typescript-eslint/visitor-keys": "npm:8.11.0"
+  checksum: 10c0/0910da62d8ae261711dd9f89d5c7d8e96ff13c50054436256e5a661309229cb49e3b8189c9468d36b6c4d3f7cddd121519ea78f9b18c9b869a808834b079b2ea
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/type-utils@npm:7.18.0":
   version: 7.18.0
   resolution: "@typescript-eslint/type-utils@npm:7.18.0"
@@ -248,6 +258,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/types@npm:8.11.0":
+  version: 8.11.0
+  resolution: "@typescript-eslint/types@npm:8.11.0"
+  checksum: 10c0/5ccdd3eeee077a6fc8e7f4bc0e0cbc9327b1205a845253ec5c0c6c49ff915e853161df00c24a0ffb4b8ec745d3f153dd0e066400a021c844c026e31121f46699
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/typescript-estree@npm:5.62.0":
   version: 5.62.0
   resolution: "@typescript-eslint/typescript-estree@npm:5.62.0"
@@ -285,6 +302,25 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/typescript-estree@npm:8.11.0":
+  version: 8.11.0
+  resolution: "@typescript-eslint/typescript-estree@npm:8.11.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:8.11.0"
+    "@typescript-eslint/visitor-keys": "npm:8.11.0"
+    debug: "npm:^4.3.4"
+    fast-glob: "npm:^3.3.2"
+    is-glob: "npm:^4.0.3"
+    minimatch: "npm:^9.0.4"
+    semver: "npm:^7.6.0"
+    ts-api-utils: "npm:^1.3.0"
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/b629ad3cd32b005d5c1d67c36958a418f8672efebea869399834f4f201ebf90b942165eebb5c9d9799dcabdc2cc26e5fabb00629f76b158847f42e1a491a75a6
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/utils@npm:7.18.0":
   version: 7.18.0
   resolution: "@typescript-eslint/utils@npm:7.18.0"
@@ -337,6 +373,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/visitor-keys@npm:8.11.0":
+  version: 8.11.0
+  resolution: "@typescript-eslint/visitor-keys@npm:8.11.0"
+  dependencies:
+    "@typescript-eslint/types": "npm:8.11.0"
+    eslint-visitor-keys: "npm:^3.4.3"
+  checksum: 10c0/7a5a49609fdc47e114fe59eee56393c90b122ec8e9520f90b0c5e189635ae1ccfa8e00108f641342c2c8f4637fe9d40c77927cf7c8248a3a660812cb4b7d0c08
+  languageName: node
+  linkType: hard
+
 "@ungap/structured-clone@npm:^1.2.0":
   version: 1.2.0
   resolution: "@ungap/structured-clone@npm:1.2.0"
@@ -1136,7 +1182,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-glob@npm:^3.2.9":
+"fast-glob@npm:^3.2.9, fast-glob@npm:^3.3.2":
   version: 3.3.2
   resolution: "fast-glob@npm:3.3.2"
   dependencies: