diff --git a/go.mod b/go.mod
index ec1556b3..47a23097 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/hcl/v2
 
-go 1.18
+go 1.20
 
 require (
 	github.com/agext/levenshtein v1.2.1