diff --git a/Gemfile.lock b/Gemfile.lock
index 9df9d97..02001c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,24 +29,24 @@ GEM
     puma (6.0.0)
       nio4r (~> 2.0)
     rack (2.2.4)
-    rack-protection (3.0.3)
+    rack-protection (3.0.4)
       rack
     rake (13.0.6)
     rake-performance (0.1.0)
     ruby2_keywords (0.0.5)
-    sinatra (3.0.3)
+    sinatra (3.0.4)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.3)
+      rack-protection (= 3.0.4)
       tilt (~> 2.0)
     sinatra-activerecord (2.0.26)
       activerecord (>= 4.1)
       sinatra (>= 1.0)
-    sinatra-contrib (3.0.3)
+    sinatra-contrib (3.0.4)
       multi_json
       mustermann (~> 3.0)
-      rack-protection (= 3.0.3)
-      sinatra (= 3.0.3)
+      rack-protection (= 3.0.4)
+      sinatra (= 3.0.4)
       tilt (~> 2.0)
     temple (0.9.1)
     test-unit (3.5.5)