diff --git a/Gemfile.lock b/Gemfile.lock
index f54a999cd8..63ba9443ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -573,7 +573,8 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    mustermann (1.0.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.2)
     net-http-digest_auth (1.4.1)
     net-ldap (0.16.1)
@@ -633,7 +634,7 @@ GEM
     rack (2.2.3)
     rack-cors (1.0.6)
       rack (>= 1.6.0)
-    rack-protection (2.0.5)
+    rack-protection (2.2.0)
       rack
     rack-proxy (0.6.5)
       rack
@@ -795,6 +796,7 @@ GEM
       multipart-post
       oauth2
     ruby-progressbar (1.10.0)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     rubydora (1.9.1)
       activemodel
@@ -834,10 +836,10 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    sinatra (2.0.5)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.5)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
     skydrive (1.2.0)
       activesupport
@@ -888,7 +890,7 @@ GEM
       rack (>= 1, < 3)
     thor (1.1.0)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     twitter-typeahead-rails (0.11.1.pre.corejavascript)
       actionpack (>= 3.1)
       jquery-rails