diff --git a/go.mod b/go.mod
index 9fd7a8a3e..06557caf5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/giantswarm/chart-operator/v4
 
 go 1.22.7
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/giantswarm/apiextensions-application v0.6.0