diff --git a/internal/atls/atls.go b/internal/atls/atls.go
index 34a80bbff7..40d8939772 100644
--- a/internal/atls/atls.go
+++ b/internal/atls/atls.go
@@ -42,6 +42,7 @@ func CreateAttestationServerTLSConfig(issuer Issuer, validators []Validator) (*t
 
 	return &tls.Config{
 		GetConfigForClient: getConfigForClient,
+		NextProtos:         []string{"h2"},
 	}, nil
 }