diff --git a/buildSrc/src/main/kotlin/lobbyheads-checkstyle.gradle.kts b/buildSrc/src/main/kotlin/lobbyheads-checkstyle.gradle.kts
index c3c1847..008fec3 100644
--- a/buildSrc/src/main/kotlin/lobbyheads-checkstyle.gradle.kts
+++ b/buildSrc/src/main/kotlin/lobbyheads-checkstyle.gradle.kts
@@ -3,7 +3,7 @@ plugins {
 }
 
 checkstyle {
-    toolVersion = "12.3.1"
+    toolVersion = "13.1.0"
 
     configFile = file("${rootDir}/checkstyle/checkstyle.xml")
     configProperties["checkstyle.suppressions.file"] = "${rootDir}/checkstyle/suppressions.xml"