diff --git a/Gemfile.lock b/Gemfile.lock
index 772d60a..2921e42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,17 +22,17 @@ GEM
     json (1.8.3)
     method_source (0.8.2)
     minitest (5.8.4)
-    passenger (5.0.28)
+    passenger (5.3.2)
       rack
       rake (>= 0.8.1)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
-    rake (11.1.2)
+    rake (13.0.6)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)