diff --git a/src/index.ts b/src/index.ts
index 346cdada..29caaad0 100755
--- a/src/index.ts
+++ b/src/index.ts
@@ -98,7 +98,12 @@ class Storyblok {
 			}
 		}
 
-		const headers = Object.assign({}, config.headers)
+		const headers = Object.assign(
+			{
+				'Content-Type': 'application/json'
+			}, config.headers
+		)
+
 		let rateLimit = 5 // per second for cdn api
 
 		if (config.oauthToken) {
diff --git a/yarn.lock b/yarn.lock
index f6c117f1..0e8b4cd1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -481,14 +481,6 @@
     "@typescript-eslint/typescript-estree" "5.46.1"
     debug "^4.3.4"
 
-"@typescript-eslint/scope-manager@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-5.46.0.tgz#60790b14d0c687dd633b22b8121374764f76ce0d"
-  integrity sha512-7wWBq9d/GbPiIM6SqPK9tfynNxVbfpihoY5cSFMer19OYUA3l4powA2uv0AV2eAZV6KoAh6lkzxv4PoxOLh1oA==
-  dependencies:
-    "@typescript-eslint/types" "5.46.0"
-    "@typescript-eslint/visitor-keys" "5.46.0"
-
 "@typescript-eslint/scope-manager@5.46.1":
   version "5.46.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-5.46.1.tgz#70af8425c79bbc1178b5a63fb51102ddf48e104a"
@@ -497,14 +489,6 @@
     "@typescript-eslint/types" "5.46.1"
     "@typescript-eslint/visitor-keys" "5.46.1"
 
-"@typescript-eslint/type-utils@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-5.46.0.tgz#3a4507b3b437e2fd9e95c3e5eea5ae16f79d64b3"
-  integrity sha512-dwv4nimVIAsVS2dTA0MekkWaRnoYNXY26dKz8AN5W3cBFYwYGFQEqm/cG+TOoooKlncJS4RTbFKgcFY/pOiBCg==
-  dependencies:
-    "@typescript-eslint/types" "5.46.1"
-    "@typescript-eslint/visitor-keys" "5.46.1"
-
 "@typescript-eslint/type-utils@5.46.1":
   version "5.46.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-5.46.1.tgz#195033e4b30b51b870dfcf2828e88d57b04a11cc"
@@ -515,29 +499,11 @@
     debug "^4.3.4"
     tsutils "^3.21.0"
 
-"@typescript-eslint/types@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-5.46.0.tgz#f4d76622a996b88153bbd829ea9ccb9f7a5d28bc"
-  integrity sha512-wHWgQHFB+qh6bu0IAPAJCdeCdI0wwzZnnWThlmHNY01XJ9Z97oKqKOzWYpR2I83QmshhQJl6LDM9TqMiMwJBTw==
-
 "@typescript-eslint/types@5.46.1":
   version "5.46.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-5.46.1.tgz#4e9db2107b9a88441c4d5ecacde3bb7a5ebbd47e"
   integrity sha512-Z5pvlCaZgU+93ryiYUwGwLl9AQVB/PQ1TsJ9NZ/gHzZjN7g9IAn6RSDkpCV8hqTwAiaj6fmCcKSQeBPlIpW28w==
 
-"@typescript-eslint/typescript-estree@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-5.46.0.tgz#a6c2b84b9351f78209a1d1f2d99ca553f7fa29a5"
-  integrity sha512-kDLNn/tQP+Yp8Ro2dUpyyVV0Ksn2rmpPpB0/3MO874RNmXtypMwSeazjEN/Q6CTp8D7ExXAAekPEcCEB/vtJkw==
-  dependencies:
-    "@typescript-eslint/types" "5.46.0"
-    "@typescript-eslint/visitor-keys" "5.46.0"
-    debug "^4.3.4"
-    globby "^11.1.0"
-    is-glob "^4.0.3"
-    semver "^7.3.7"
-    tsutils "^3.21.0"
-
 "@typescript-eslint/typescript-estree@5.46.1":
   version "5.46.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-5.46.1.tgz#5358088f98a8f9939355e0996f9c8f41c25eced2"
@@ -551,10 +517,10 @@
     semver "^7.3.7"
     tsutils "^3.21.0"
 
-"@typescript-eslint/utils@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-5.46.0.tgz#600cd873ba471b7d8b0b9f35de34cf852c6fcb31"
-  integrity sha512-4O+Ps1CRDw+D+R40JYh5GlKLQERXRKW5yIQoNDpmXPJ+C7kaPF9R7GWl+PxGgXjB3PQCqsaaZUpZ9dG4U6DO7g==
+"@typescript-eslint/utils@5.46.1":
+  version "5.46.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-5.46.1.tgz#7da3c934d9fd0eb4002a6bb3429f33298b469b4a"
+  integrity sha512-RBdBAGv3oEpFojaCYT4Ghn4775pdjvwfDOfQ2P6qzNVgQOVrnSPe5/Pb88kv7xzYQjoio0eKHKB9GJ16ieSxvA==
   dependencies:
     "@types/json-schema" "^7.0.9"
     "@types/semver" "^7.3.12"
@@ -565,14 +531,6 @@
     eslint-utils "^3.0.0"
     semver "^7.3.7"
 
-"@typescript-eslint/visitor-keys@5.46.0":
-  version "5.46.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-5.46.0.tgz#36d87248ae20c61ef72404bcd61f14aa2563915f"
-  integrity sha512-E13gBoIXmaNhwjipuvQg1ByqSAu/GbEpP/qzFihugJ+MomtoJtFAJG/+2DRPByf57B863m0/q7Zt16V9ohhANw==
-  dependencies:
-    "@typescript-eslint/types" "5.46.0"
-    eslint-visitor-keys "^3.3.0"
-
 "@typescript-eslint/visitor-keys@5.46.1":
   version "5.46.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-5.46.1.tgz#126cc6fe3c0f83608b2b125c5d9daced61394242"