diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 114af440..4b8ae735 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
-kotlin = "2.1.0"
-ktlint = "1.5.0"
+kotlin = "2.0.21"
+ktlint = "1.4.1"
 detekt = "1.23.7"
 junit = "5.11.3"