diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1621cbda..d8d5aebc 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlinApi = "1.9"
 kotlinLanguage = "1.9"
-kotlin = "1.9.20"
+kotlin = "1.9.21"
 jvmTarget = "11"
 openrndr = { require = "[0.4.2, 0.5.0)" }
 kotlinxCoroutines = "1.7.3"