diff --git a/Gemfile b/Gemfile
index ee4e95837..4771c3579 100644
--- a/Gemfile
+++ b/Gemfile
@@ -114,7 +114,7 @@ source "https://rails-assets.org" do
   gem "rails-assets-jquery-textchange",             "0.2.3"
   gem "rails-assets-perfect-scrollbar",             "0.6.11"
   gem "rails-assets-autosize",                      "3.0.15"
-  gem "rails-assets-blueimp-gallery",               "2.17.0"
+  gem "rails-assets-blueimp-gallery",               "2.21.2"
 end
 
 # Localization
diff --git a/Gemfile.lock b/Gemfile.lock
index 49fbe9a1b..61ff5d26c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -638,7 +638,7 @@ GEM
       railties (= 4.2.6)
       sprockets-rails
     rails-assets-autosize (3.0.15)
-    rails-assets-blueimp-gallery (2.17.0)
+    rails-assets-blueimp-gallery (2.21.2)
     rails-assets-diaspora_jsxc (0.1.5.develop.1)
       rails-assets-favico.js (~> 0.3.9)
       rails-assets-jquery (>= 1.11)
@@ -995,7 +995,7 @@ DEPENDENCIES
   rack-ssl (= 1.4.1)
   rails (= 4.2.6)
   rails-assets-autosize (= 3.0.15)!
-  rails-assets-blueimp-gallery (= 2.17.0)!
+  rails-assets-blueimp-gallery (= 2.21.2)!
   rails-assets-diaspora_jsxc (= 0.1.5.develop.1)!
   rails-assets-highlightjs (= 9.2.0)!
   rails-assets-jasmine-ajax (= 3.2.0)!