diff --git a/kotlin-native/runtime/src/main/kotlin/kotlin/text/Char.kt b/kotlin-native/runtime/src/main/kotlin/kotlin/text/Char.kt
index b875c8c6d34..c24ee95e51d 100644
--- a/kotlin-native/runtime/src/main/kotlin/kotlin/text/Char.kt
+++ b/kotlin-native/runtime/src/main/kotlin/kotlin/text/Char.kt
@@ -220,7 +220,7 @@ public actual fun Char.lowercase(): String = lowercaseImpl()
  *
  * @sample samples.text.Chars.titlecase
  */
-@SinceKotlin("1.4")
+@SinceKotlin("1.5")
 public actual fun Char.titlecaseChar(): Char = titlecaseCharImpl()
 
 /**