diff --git a/debian/patches/0021-loosen-sidekiq.patch b/debian/patches/0021-loosen-sidekiq.patch
new file mode 100644
index 0000000000..5245f26734
--- /dev/null
+++ b/debian/patches/0021-loosen-sidekiq.patch
@@ -0,0 +1,13 @@
+Index: gitlab/Gemfile
+===================================================================
+--- gitlab.orig/Gemfile
++++ gitlab/Gemfile
+@@ -128,7 +128,7 @@ gem 'acts-as-taggable-on', '~> 3.4'
+ # Background jobs
+ gem 'slim', '~> 2.0.2'
+ gem 'sinatra', '~> 1.4.4', require: nil
+-gem 'sidekiq', '3.3.0'
++gem 'sidekiq', '3.4.2'
+ gem 'sidetiq', '~> 0.6.3'
+ 
+ # HTTP requests
diff --git a/debian/patches/series b/debian/patches/series
index 31aaf799cf..6fe1c66fb8 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -18,3 +18,4 @@ loosen-rails-version.patch
 0018-loosen-rdoc.patch
 0019-loosen-creole.patch
 0020-loosen-unicorn.patch
+0021-loosen-sidekiq.patch