diff --git a/golang-github-google-cmp.spec b/golang-github-google-cmp.spec
index 171d5fa..71c3c81 100644
--- a/golang-github-google-cmp.spec
+++ b/golang-github-google-cmp.spec
@@ -1,4 +1,4 @@
-# Generated by go2rpm
+# Generated by go2rpm 1
 %bcond_without check
 
 # https://github.com/google/go-cmp
@@ -22,13 +22,15 @@ equal.}
 
 Name:           %{goname}
 Release:        1%{?dist}
-Summary:        Package for comparing go values in tests
+Summary:        Package for comparing Go values in tests
 
 # Upstream license specification: BSD-3-Clause
 License:        BSD
 URL:            %{gourl}
 Source0:        %{gosource}
 
+BuildRequires:  golang(golang.org/x/xerrors)
+
 %description
 %{common_description}