diff --git a/Gemfile.lock b/Gemfile.lock
index 77eca8be3..b661d697a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -229,7 +229,7 @@ GEM
     minitest (5.14.4)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    mustermann (1.1.1)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     natcmp (1.4.1)
     netrc (0.11.0)
@@ -264,14 +264,14 @@ GEM
     puma (5.5.2)
       nio4r (~> 2.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-attack (6.5.0)
       rack (>= 1.0, < 3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-mini-profiler (2.3.3)
       rack (>= 1.2.0)
-    rack-protection (2.1.0)
+    rack-protection (3.0.4)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -410,10 +410,10 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.3)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
-      rack (~> 2.2)
-      rack-protection (= 2.1.0)
+    sinatra (3.0.4)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.4)
       tilt (~> 2.0)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
@@ -428,7 +428,7 @@ GEM
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thor (1.1.0)
-    tilt (2.0.10)
+    tilt (2.0.11)
     trailblazer-option (0.1.1)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)