diff --git a/Gemfile.lock b/Gemfile.lock
index 3bdf3d1..5e8a44f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     jwt (2.3.0)
     mini_portile2 (2.8.0)
     multipart-post (2.1.1)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
     nokogiri (1.13.6)
@@ -43,8 +43,8 @@ GEM
     puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
-    rack (2.2.3)
-    rack-protection (2.2.0)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rack-ssl-enforcer (0.2.9)
     rack-test (1.1.0)
@@ -71,17 +71,17 @@ GEM
     ruby_http_client (3.5.5)
     sendgrid-ruby (6.6.2)
       ruby_http_client (~> 3.4)
-    sinatra (2.2.0)
-      mustermann (~> 1.0)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
       rack (~> 2.2)
-      rack-protection (= 2.2.0)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     standard (1.8.0)
       rubocop (= 1.26.0)
       rubocop-performance (= 1.13.3)
     test-unit (3.5.3)
       power_assert
-    tilt (2.0.10)
+    tilt (2.0.11)
     twilio-ruby (5.65.1)
       faraday (>= 0.9, < 2.0)
       jwt (>= 1.5, <= 2.5)