diff --git a/types/joi/index.d.ts b/types/joi/index.d.ts
index baabbed99b..f1e25f80fe 100644
--- a/types/joi/index.d.ts
+++ b/types/joi/index.d.ts
@@ -1,6 +1,6 @@
-// Type definitions for joi v10.4.0
+// Type definitions for joi v10.4.2
 // Project: https://github.com/hapijs/joi
-// Definitions by: Bart van der Schoor <https://github.com/Bartvds>, Laurence Dougal Myers <https://github.com/laurence-myers>, Christopher Glantschnig <https://github.com/cglantschnig>, David Broder-Rodgers <https://github.com/DavidBR-SW>, Gael Magnan de Bornier <https://github.com/GaelMagnan>, Rytis Alekna <https://github.com/ralekna>, Pavel Ivanov <https://github.com/schfkt>
+// Definitions by: Bart van der Schoor <https://github.com/Bartvds>, Laurence Dougal Myers <https://github.com/laurence-myers>, Christopher Glantschnig <https://github.com/cglantschnig>, David Broder-Rodgers <https://github.com/DavidBR-SW>, Gael Magnan de Bornier <https://github.com/GaelMagnan>, Rytis Alekna <https://github.com/ralekna>, Pavel Ivanov <https://github.com/schfkt>, Youngrok Kim <https://github.com/rokoroku>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.4