diff --git a/Gemfile.lock b/Gemfile.lock
index 4da7522..88d54c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    base64 (0.2.0)
+    base64 (0.3.0)
     coveralls_reborn (0.24.0)
       simplecov (>= 0.18.1, < 0.22.0)
       term-ansicolor (~> 1.6)
@@ -14,16 +14,16 @@ GEM
     diff-lcs (1.4.4)
     docile (1.4.0)
     hashdiff (1.0.1)
-    logger (1.6.1)
+    logger (1.7.0)
     multi_json (1.15.0)
-    mustermann (3.0.3)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.7.3)
     public_suffix (4.0.6)
     puma (6.4.3)
       nio4r (~> 2.0)
-    rack (3.1.18)
-    rack-protection (4.1.0)
+    rack (3.2.3)
+    rack-protection (4.2.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -55,24 +55,24 @@ GEM
     simplecov-html (0.12.3)
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
-    sinatra (4.1.0)
+    sinatra (4.2.0)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.0)
+      rack-protection (= 4.2.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (4.1.0)
+    sinatra-contrib (4.2.0)
       multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 4.1.0)
-      sinatra (= 4.1.0)
+      rack-protection (= 4.2.0)
+      sinatra (= 4.2.0)
       tilt (~> 2.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
     thor (1.4.0)
-    tilt (2.4.0)
+    tilt (2.6.1)
     tins (1.31.1)
       sync
     webmock (3.13.0)