diff --git a/Gemfile.lock b/Gemfile.lock
index e5f0621..3b518b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
     minitest (5.14.2)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     naught (1.1.0)
     net-scp (3.0.0)
@@ -99,14 +99,14 @@ GEM
     public_suffix (4.0.6)
     puma (5.0.4)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-oauth2 (1.16.0)
       activesupport
       attr_required
       httpclient
       json-jwt (>= 1.11.0)
       rack (>= 2.1.0)
-    rack-protection (2.1.0)
+    rack-protection (2.2.3)
       rack
     rack-ssl-enforcer (0.2.9)
     rake (13.0.1)
@@ -115,14 +115,14 @@ GEM
       ffi
     ruby-audio (1.6.1)
     ruby-shout (2.2.2)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     simple_oauth (0.3.1)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     sshkit (1.21.0)
       net-scp (>= 1.1.2)
@@ -130,7 +130,7 @@ GEM
     temple (0.8.2)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tilt (2.0.10)
+    tilt (2.0.11)
     twitter (7.0.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)