diff --git a/go.mod b/go.mod
index d22838f..2831066 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/onmetal/ipxe-service
 
-go 1.21
+go 1.21.0
 
 require (
 	github.com/Masterminds/sprig v2.22.0+incompatible