diff --git a/examples/ktor/gradle/libs.versions.toml b/examples/ktor/gradle/libs.versions.toml
index f5ca2d8c..5d4b91ee 100644
--- a/examples/ktor/gradle/libs.versions.toml
+++ b/examples/ktor/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 ktor = "3.4.3"
 exposed = "1.2.0"
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 3bf67f64..7182fed8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 kotlinx-coroutines = "1.10.2"
 kotlinx-serialization = "1.11.0"
 kotlinx-kover = "0.9.8"