diff --git a/go.mod b/go.mod
index ed19774..27dcdca 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/giantswarm/cluster-cleaner
 
 go 1.22.0
 
-toolchain go1.23.2
+toolchain go1.23.3
 
 require (
 	github.com/giantswarm/apiextensions-application v0.6.2