diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index b0c8eb4..6a61c8b 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 = "13.3.0"
+  toolVersion = "13.4.0"
   isIgnoreFailures = false
   configProperties["rootDir"] = rootDir
 }