diff --git a/WORKSPACE b/WORKSPACE
index a6e60c9..fb9b0b7 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -80,8 +80,8 @@ http_archive(
 
 http_archive(
     name = "io_bazel_rules_kotlin",
-    sha256 = "e1448a56b2462407b2688dea86df5c375b36a0991bd478c2ddd94c97168125e2",
-    url = "https://github.com/bazelbuild/rules_kotlin/releases/download/v2.1.3/rules_kotlin-v2.1.3.tar.gz",
+    sha256 = "50c9b7294b73a1f50fcb3b349ca0edfd852ee1016e284b9d569ef0bffe0eb105",
+    url = "https://github.com/bazelbuild/rules_kotlin/releases/download/v2.2.1/rules_kotlin-v2.2.1.tar.gz",
 )
 
 # ---