diff --git a/lib/version_checker.rb b/lib/version_checker.rb
index 8a8e887..3075df9 100644
--- a/lib/version_checker.rb
+++ b/lib/version_checker.rb
@@ -46,7 +46,7 @@ def fetch_rubygems_version(gem_name)
   def files_changed_since_tag(repo, tag)
     Dir.mktmpdir do |path|
       Dir.chdir(path) do
-        if system("git clone --recursive --depth 1 --shallow-submodules --no-single-branch git@github.com:alphagov/#{repo}.git > /dev/null 2>&1")
+        if system("git clone --recursive --depth 1 --shallow-submodules --no-single-branch git@github.com:alphagov/#{repo}.git")
           Dir.chdir(repo) do
             `git diff --name-only #{tag}`.split("\n")
           end