diff --git a/Gemfile.lock b/Gemfile.lock
index 0220968..6a83ec8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,15 +70,15 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     minitest (5.14.1)
     multipart-post (2.1.1)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.2)
     pg (1.2.3)
     public_suffix (4.0.5)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
-    rack-protection (2.0.8.1)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rake (13.0.1)
     rb-fsevent (0.10.4)
@@ -99,15 +99,15 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.3)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
     sentry-raven (3.0.0)
       faraday (>= 1.0)
     sequel (5.34.0)
-    sinatra (2.0.8.1)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.8.1)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     slack-ruby-client (0.14.6)
       activesupport
@@ -121,7 +121,7 @@ GEM
       tilt (>= 2.0.6, < 2.1)
     temple (0.8.2)
     thread_safe (0.3.6)
-    tilt (2.0.10)
+    tilt (2.0.11)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unf (0.1.4)