diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index c04b5993..a639100f 100644
--- a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -24,7 +24,7 @@ java {
 
 checkstyle {
   configDirectory.set(file("$rootDir/buildscripts/"))
-  toolVersion = "10.21.3"
+  toolVersion = "10.21.4"
   isIgnoreFailures = false
   configProperties["rootDir"] = rootDir
 }