diff --git a/Gemfile.lock b/Gemfile.lock
index 7c200e8..c7bb474 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     method_source (0.9.0)
     minitest (5.14.2)
     multipart-post (2.0.0)
-    mustermann (1.1.1)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     octokit (4.12.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -36,8 +36,8 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
-    rack (2.2.3)
-    rack-protection (2.1.0)
+    rack (2.2.4)
+    rack-protection (3.0.5)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -85,20 +85,20 @@ GEM
     rubocop-rspec (1.42.0)
       rubocop (>= 0.87.0)
     ruby-progressbar (1.10.1)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
-      rack (~> 2.2)
-      rack-protection (= 2.1.0)
+    sinatra (3.0.5)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.5)
       tilt (~> 2.0)
     slack-poster (2.2.1)
       faraday (~> 0.9)
     thread_safe (0.3.6)
-    tilt (2.0.10)
+    tilt (2.0.11)
     timecop (0.9.1)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)