diff --git a/yaml/stringify.ts b/yaml/stringify.ts
index 810755ef73c8..20ade1e77056 100644
--- a/yaml/stringify.ts
+++ b/yaml/stringify.ts
@@ -85,6 +85,14 @@ export type StringifyOptions = {
    * @default {false}
    */
   condenseFlow?: boolean;
+  /**
+   * Strings will be quoted using this quoting style.
+   * If you specify single quotes, double quotes will still be used
+   * for non-printable characters.
+   *
+   * @default {`'`}
+   */
+  quoteStyle?: "'" | '"';
 };
 
 /**
diff --git a/yaml/stringify_test.ts b/yaml/stringify_test.ts
index 36d698162fe2..9e09006d9ac7 100644
--- a/yaml/stringify_test.ts
+++ b/yaml/stringify_test.ts
@@ -869,15 +869,15 @@ Deno.test({
 });
 
 Deno.test({
-  name: "(unstable) stringify() handles quoteStyle",
+  name: "stringify() handles quoteStyle",
   fn() {
     const object = { url: "https://example.com" };
     assertEquals(
-      unstableStringify(object, { quoteStyle: '"' }),
+      stringify(object, { quoteStyle: '"' }),
       `url: "https://example.com"\n`,
     );
     assertEquals(
-      unstableStringify(object, { quoteStyle: "'" }),
+      stringify(object, { quoteStyle: "'" }),
       `url: 'https://example.com'\n`,
     );
   },
diff --git a/yaml/unstable_stringify.ts b/yaml/unstable_stringify.ts
index 99eb6bec2ca0..5cae6b656077 100644
--- a/yaml/unstable_stringify.ts
+++ b/yaml/unstable_stringify.ts
@@ -13,15 +13,6 @@ export type { ImplicitType, KindType, RepresentFn, SchemaType, Type };
 
 /** Options for {@linkcode stringify}. */
 export type StringifyOptions = StableStringifyOptions & {
-  /**
-   * Strings will be quoted using this quoting style.
-   * If you specify single quotes, double quotes will still be used
-   * for non-printable characters.
-   *
-   * @default {`'`}
-   */
-  quoteStyle?: "'" | '"';
-
   /**
    * Extra types to be added to the schema.
    */