diff --git a/Gemfile.lock b/Gemfile.lock
index 0831644..25d266b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,18 +43,18 @@ GEM
     hashdiff (1.1.2)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    logger (1.6.5)
+    logger (1.7.0)
     method_source (1.1.0)
     minitest (5.25.4)
     multi_json (1.15.0)
-    mustermann (3.0.3)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (6.0.1)
-    rack (3.2.2)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -78,21 +78,21 @@ GEM
     rspec-support (3.13.2)
     ruby2_keywords (0.0.5)
     securerandom (0.4.1)
-    sinatra (4.1.1)
+    sinatra (4.2.0)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (4.1.1)
+    sinatra-contrib (4.2.0)
       multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 4.1.1)
-      sinatra (= 4.1.1)
+      rack-protection (= 4.2.0)
+      sinatra (= 4.2.0)
       tilt (~> 2.0)
     thor (1.3.2)
-    tilt (2.6.0)
+    tilt (2.6.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uri (1.0.3)