diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index 26a845f5c8..71a119f9b3 100644
--- a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -42,7 +42,7 @@ java {
 
 checkstyle {
   configDirectory.set(file("$rootDir/buildscripts/"))
-  toolVersion = "10.20.2"
+  toolVersion = "10.21.0"
   isIgnoreFailures = false
   configProperties["rootDir"] = rootDir
 }