diff --git a/packages/package-registry/src/jsr/index.ts b/packages/package-registry/src/jsr/index.ts
index 41bfbc1..66d12bb 100644
--- a/packages/package-registry/src/jsr/index.ts
+++ b/packages/package-registry/src/jsr/index.ts
@@ -119,7 +119,11 @@ export function getJsrPackageSrcFile(
 	file: string
 ): Promise<string | undefined> {
 	const url = `https://jsr.io/@${scope}/${name}/${version}/${file}`
-	return fetch(url).then((res) => res.text())
+	return fetch(url, {
+		headers: {
+			Accept: "application/json"
+		}
+	}).then((res) => res.text())
 }
 
 /**