diff --git a/Gemfile.lock b/Gemfile.lock
index f1fcb1b..e58b9a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,8 @@ GEM
     method_source (0.9.2)
     mono_logger (1.1.0)
     multi_json (1.13.1)
-    mustermann (1.0.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -29,8 +30,8 @@ GEM
       byebug (~> 10.0)
       pry (~> 0.10)
     raabro (1.1.6)
-    rack (2.0.6)
-    rack-protection (2.0.4)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rake (12.3.1)
     redis (4.0.3)
@@ -60,15 +61,16 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
+    ruby2_keywords (0.0.5)
     rufus-scheduler (3.5.2)
       fugit (~> 1.1, >= 1.1.5)
-    sinatra (2.0.4)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.4)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.10)
     timecop (0.9.1)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)