diff --git a/lib/github_changelog_generator.rb b/lib/github_changelog_generator.rb
index 9f8124e..51f92f1 100755
--- a/lib/github_changelog_generator.rb
+++ b/lib/github_changelog_generator.rb
@@ -294,7 +294,7 @@ module GitHubChangelogGenerator
     def delete_by_time(array, hash_key, newer_tag_time, older_tag_time = nil)
       array.select { |req|
         if req[hash_key]
-          t = Time.parse(req[hash_key]).utc
+          t = Time.parse(req[hash_key]).utc - 60
 
           if older_tag_time.nil?
             tag_in_range_old = true