diff --git a/go.mod b/go.mod
index 1a349f81..05530d0e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module golang.org/x/vuln
 
-go 1.18
+go 1.21
 
 require (
 	github.com/google/go-cmdtest v0.4.1-0.20220921163831-55ab3332a786