diff --git a/gems.locked b/gems.locked
index 149315e..ade1e51 100644
--- a/gems.locked
+++ b/gems.locked
@@ -32,13 +32,14 @@ GEM
       minitest (>= 5.0)
       ruby-progressbar
     multi_xml (0.6.0)
-    mustermann (1.0.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     parallel (1.17.0)
     parser (2.6.3.0)
       ast (~> 2.4.0)
     puma (3.12.4)
-    rack (2.0.8)
-    rack-protection (2.0.5)
+    rack (2.2.3)
+    rack-protection (2.2.0)
       rack
     rainbow (3.0.0)
     rake (12.3.3)
@@ -50,19 +51,20 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.1)
+    ruby2_keywords (0.0.5)
     semantic_logger (4.5.0)
       concurrent-ruby (~> 1.0)
-    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)
     sucker_punch (2.1.2)
       concurrent-ruby (~> 1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.0)