diff --git a/Gemfile.lock b/Gemfile.lock
index 595c5db..6baf4fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (5.0.0)
     rack (2.2.4)
-    rack-protection (3.0.2)
+    rack-protection (3.0.4)
       rack
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -70,16 +70,16 @@ GEM
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sinatra (3.0.2)
+    sinatra (3.0.4)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.2)
+      rack-protection (= 3.0.4)
       tilt (~> 2.0)
-    sinatra-contrib (3.0.2)
+    sinatra-contrib (3.0.4)
       multi_json
       mustermann (~> 3.0)
-      rack-protection (= 3.0.2)
-      sinatra (= 3.0.2)
+      rack-protection (= 3.0.4)
+      sinatra (= 3.0.4)
       tilt (~> 2.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)