diff --git a/lib/gitlab/regex.rb b/lib/gitlab/regex.rb
index 53ab2686b43..5c35c5b1450 100644
--- a/lib/gitlab/regex.rb
+++ b/lib/gitlab/regex.rb
@@ -44,19 +44,19 @@ module Gitlab
 
 
     def file_name_regex
-      @file_name_regex ||= /\A[a-zA-Z0-9_\-\.]*\z/.freeze
+      @file_name_regex ||= /\A[a-zA-Z0-9_\-\.\@]*\z/.freeze
     end
 
     def file_name_regex_message
-      "can contain only letters, digits, '_', '-' and '.'. "
+      "can contain only letters, digits, '_', '-', '@' and '.'. "
     end
 
     def file_path_regex
-      @file_path_regex ||= /\A[a-zA-Z0-9_\-\.\/]*\z/.freeze
+      @file_path_regex ||= /\A[a-zA-Z0-9_\-\.\/\@]*\z/.freeze
     end
 
     def file_path_regex_message
-      "can contain only letters, digits, '_', '-' and '.'. Separate directories with a '/'. "
+      "can contain only letters, digits, '_', '-', '@' and '.'. Separate directories with a '/'. "
     end
 
 
diff --git a/spec/lib/gitlab/regex_spec.rb b/spec/lib/gitlab/regex_spec.rb
index d67ee423b9b..c51b10bdc69 100644
--- a/spec/lib/gitlab/regex_spec.rb
+++ b/spec/lib/gitlab/regex_spec.rb
@@ -21,4 +21,12 @@ describe Gitlab::Regex, lib: true do
     it { expect('Dash – is this').to match(Gitlab::Regex.project_name_regex) }
     it { expect('?gitlab').not_to match(Gitlab::Regex.project_name_regex) }
   end
+
+  describe 'file name regex' do
+    it { expect('foo@bar').to match(Gitlab::Regex.file_name_regex) }
+  end
+
+  describe 'file path regex' do
+    it { expect('foo@/bar').to match(Gitlab::Regex.file_path_regex) }
+  end
 end