diff --git a/conventions/src/main/kotlin/otel.java-conventions.gradle.kts b/conventions/src/main/kotlin/otel.java-conventions.gradle.kts
index 756344e155db..cb4583875678 100644
--- a/conventions/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/conventions/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -430,7 +430,7 @@ codenarc {
 checkstyle {
   configFile = rootProject.file("buildscripts/checkstyle.xml")
   // this version should match the version of google_checks.xml used as basis for above configuration
-  toolVersion = "10.21.2"
+  toolVersion = "10.21.3"
   maxWarnings = 0
 }