diff --git a/go.mod b/go.mod
index 62b3390..19a7623 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/giantswarm/apptestctl
 
 go 1.23
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/giantswarm/apiextensions-application v0.6.2