diff --git a/go.mod b/go.mod
index f2b56da..1ce81d4 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/sap/cert-manager-cop
 
-go 1.21
+go 1.21.3
 
 require (
 	github.com/pkg/errors v0.9.1