diff --git a/go.mod b/go.mod
index e4cd6d5..57a3182 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/smallstep/step-kms-plugin
 
-go 1.18
+go 1.20
 
 require (
 	github.com/fxamacker/cbor/v2 v2.5.0