diff --git a/package.json b/package.json
index 2ffe5617c0..e0a036c2ef 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "@popperjs/core": "2.11.8",
     "@sentry/browser": "7.77.0",
     "@storybook/testing-react": "2.0.1",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "core-js": "3.33.2",
     "date-fns": "2.30.0",
     "date-fns-tz": "2.0.0",
diff --git a/packages/behandling-opplaeringspenger/package.json b/packages/behandling-opplaeringspenger/package.json
index 1bc406ac5e..97f5a4a662 100644
--- a/packages/behandling-opplaeringspenger/package.json
+++ b/packages/behandling-opplaeringspenger/package.json
@@ -37,7 +37,7 @@
     "@navikt/ft-fakta-beregning-redesign": "1.0.12",
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": "7.3.13",
     "@navikt/ft-prosess-beregningsgrunnlag": "6.3.15",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "nav-frontend-alertstriper": "4.0.2",
     "react": "18.2.0",
     "react-intl": "6.5.2",
diff --git a/packages/behandling-pleiepenger-sluttfase/package.json b/packages/behandling-pleiepenger-sluttfase/package.json
index d095070d1a..bd42027486 100644
--- a/packages/behandling-pleiepenger-sluttfase/package.json
+++ b/packages/behandling-pleiepenger-sluttfase/package.json
@@ -36,7 +36,7 @@
     "@navikt/ft-fakta-beregning-redesign": "1.0.12",
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": "7.3.13",
     "@navikt/ft-prosess-beregningsgrunnlag": "6.3.15",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "nav-frontend-alertstriper": "4.0.2",
     "react": "18.2.0",
     "react-intl": "6.5.2",
diff --git a/packages/behandling-pleiepenger/package.json b/packages/behandling-pleiepenger/package.json
index caca01f37f..cc66401b41 100644
--- a/packages/behandling-pleiepenger/package.json
+++ b/packages/behandling-pleiepenger/package.json
@@ -37,7 +37,7 @@
     "@navikt/ft-fakta-beregning-redesign": "1.0.12",
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": "7.3.13",
     "@navikt/ft-prosess-beregningsgrunnlag": "6.3.15",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "nav-frontend-alertstriper": "4.0.2",
     "react": "18.2.0",
     "react-intl": "6.5.2",
diff --git a/packages/rest-api/package.json b/packages/rest-api/package.json
index 15e624e360..f67aa6ca5b 100644
--- a/packages/rest-api/package.json
+++ b/packages/rest-api/package.json
@@ -6,7 +6,7 @@
   "private": true,
   "dependencies": {
     "@sentry/browser": "7.77.0",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "node-cache": "5.1.2"
   }
 }
diff --git a/packages/rest-api/src/axios/axiosEtag.ts b/packages/rest-api/src/axios/axiosEtag.ts
index 83121e64b8..ef1265f2c2 100644
--- a/packages/rest-api/src/axios/axiosEtag.ts
+++ b/packages/rest-api/src/axios/axiosEtag.ts
@@ -26,7 +26,7 @@ SOFTWARE.
 
 */
 
-import axios, { AxiosError, AxiosRequestConfig, AxiosResponse } from 'axios';
+import axios, { AxiosError, AxiosHeaders, AxiosRequestConfig, AxiosResponse, InternalAxiosRequestConfig } from 'axios';
 
 import NodeCache from 'node-cache';
 
@@ -80,13 +80,13 @@ function getCacheByAxiosConfig(config: AxiosRequestConfig) {
   return EtagCache.get(getUUIDByAxiosConfig(config));
 }
 
-function requestInterceptor(config: AxiosRequestConfig) {
+function requestInterceptor(config: InternalAxiosRequestConfig) {
   if (isCacheableMethod(config)) {
     const uuid = getUUIDByAxiosConfig(config);
     const lastCachedResult = EtagCache.get(uuid);
     if (lastCachedResult) {
       // eslint-disable-next-line no-param-reassign
-      config.headers = { ...config.headers, 'If-None-Match': lastCachedResult.etag };
+      config.headers = new AxiosHeaders({ ...config.headers, 'If-None-Match': lastCachedResult.etag });
     }
   }
   return config;
diff --git a/packages/sak-app/package.json b/packages/sak-app/package.json
index 6df39e3610..19808dadaf 100644
--- a/packages/sak-app/package.json
+++ b/packages/sak-app/package.json
@@ -57,7 +57,7 @@
     "@navikt/ft-prosess-beregningsgrunnlag": "6.3.15",
     "@navikt/ft-ui-komponenter": "2.1.13",
     "@sentry/browser": "7.77.0",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "classnames": "2.3.2",
     "history": "5.3.0",
     "moment": "2.29.4",
diff --git a/packages/shared-components/package.json b/packages/shared-components/package.json
index f2d4de3225..b3f9e6aeec 100644
--- a/packages/shared-components/package.json
+++ b/packages/shared-components/package.json
@@ -15,7 +15,7 @@
     "@navikt/ds-react": "5.10.0",
     "@navikt/fnrvalidator": "1.3.3",
     "@navikt/ft-plattform-komponenter": "2.3.9",
-    "axios": "0.27.2",
+    "axios": "1.6.1",
     "classnames": "2.3.2",
     "date-fns": "2.30.0",
     "date-fns-tz": "2.0.0",
diff --git a/yarn.lock b/yarn.lock
index b62ad9bc31..dc26c5c0b1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4030,7 +4030,7 @@ __metadata:
     "@navikt/ds-react": 5.10.0
     "@navikt/fnrvalidator": 1.3.3
     "@navikt/ft-plattform-komponenter": 2.3.9
-    axios: 0.27.2
+    axios: 1.6.1
     classnames: 2.3.2
     date-fns: 2.30.0
     date-fns-tz: 2.0.0
@@ -4769,7 +4769,7 @@ __metadata:
     "@navikt/ft-fakta-beregning-redesign": 1.0.12
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": 7.3.13
     "@navikt/ft-prosess-beregningsgrunnlag": 6.3.15
-    axios: 0.27.2
+    axios: 1.6.1
     axios-mock-adapter: 1.22.0
     enzyme: 3.11.0
     nav-frontend-alertstriper: 4.0.2
@@ -4819,7 +4819,7 @@ __metadata:
     "@navikt/ft-fakta-beregning-redesign": 1.0.12
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": 7.3.13
     "@navikt/ft-prosess-beregningsgrunnlag": 6.3.15
-    axios: 0.27.2
+    axios: 1.6.1
     axios-mock-adapter: 1.22.0
     enzyme: 3.11.0
     nav-frontend-alertstriper: 4.0.2
@@ -4871,7 +4871,7 @@ __metadata:
     "@navikt/ft-fakta-beregning-redesign": 1.0.12
     "@navikt/ft-fakta-fordel-beregningsgrunnlag": 7.3.13
     "@navikt/ft-prosess-beregningsgrunnlag": 6.3.15
-    axios: 0.27.2
+    axios: 1.6.1
     axios-mock-adapter: 1.22.0
     enzyme: 3.11.0
     nav-frontend-alertstriper: 4.0.2
@@ -5424,7 +5424,7 @@ __metadata:
   resolution: "@k9-sak-web/rest-api@workspace:packages/rest-api"
   dependencies:
     "@sentry/browser": 7.77.0
-    axios: 0.27.2
+    axios: 1.6.1
     node-cache: 5.1.2
   languageName: unknown
   linkType: soft
@@ -5504,7 +5504,7 @@ __metadata:
     "@navikt/ft-prosess-beregningsgrunnlag": 6.3.15
     "@navikt/ft-ui-komponenter": 2.1.13
     "@sentry/browser": 7.77.0
-    axios: 0.27.2
+    axios: 1.6.1
     classnames: 2.3.2
     history: 5.3.0
     moment: 2.29.4
@@ -11121,13 +11121,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"axios@npm:0.27.2":
-  version: 0.27.2
-  resolution: "axios@npm:0.27.2"
+"axios@npm:1.6.1":
+  version: 1.6.1
+  resolution: "axios@npm:1.6.1"
   dependencies:
-    follow-redirects: ^1.14.9
+    follow-redirects: ^1.15.0
     form-data: ^4.0.0
-  checksum: 38cb7540465fe8c4102850c4368053c21683af85c5fdf0ea619f9628abbcb59415d1e22ebc8a6390d2bbc9b58a9806c874f139767389c862ec9b772235f06854
+    proxy-from-env: ^1.1.0
+  checksum: 573f03f59b7487d54551b16f5e155d1d130ad4864ed32d1da93d522b78a57123b34e3bde37f822a65ee297e79f1db840f9ad6514addff50d3cbf5caeed39e8dc
   languageName: node
   linkType: hard
 
@@ -15186,7 +15187,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"follow-redirects@npm:^1.0.0, follow-redirects@npm:^1.14.9, follow-redirects@npm:^1.15.0":
+"follow-redirects@npm:^1.0.0, follow-redirects@npm:^1.15.0":
   version: 1.15.2
   resolution: "follow-redirects@npm:1.15.2"
   peerDependenciesMeta:
@@ -18212,7 +18213,7 @@ __metadata:
     "@typescript-eslint/parser": 6.9.1
     "@wojtekmaj/enzyme-adapter-react-17": 0.8.0
     autoprefixer: ^10.4.16
-    axios: 0.27.2
+    axios: 1.6.1
     axios-mock-adapter: 1.22.0
     babel-jest: 29.7.0
     babel-loader: 9.1.3