diff --git a/.changeset/cold-cherries-grow.md b/.changeset/cold-cherries-grow.md
new file mode 100644
index 0000000..ab656ad
--- /dev/null
+++ b/.changeset/cold-cherries-grow.md
@@ -0,0 +1,5 @@
+---
+"@ssecd/ihs": patch
+---
+
+Correct KYC verification code `content-type`
diff --git a/src/kyc.ts b/src/kyc.ts
index 220a38b..1658e60 100644
--- a/src/kyc.ts
+++ b/src/kyc.ts
@@ -73,7 +73,7 @@ export class KYC {
 				data: patient
 			});
 			const response = await this.ihs.request({
-				headers: { 'Content-Type': 'text/plain' },
+				headers: { 'Content-Type': 'application/json' },
 				path: '/challenge-code',
 				body: payload,
 				method: 'POST',