diff --git a/Gemfile.lock b/Gemfile.lock
index 80e36c8..31252e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     omniauth-oauth2 (1.6.0)
       oauth2 (~> 1.1)
       omniauth (~> 1.9)
-    rack (2.0.7)
+    rack (2.2.3)
     rake (0.9.6)
 
 PLATFORMS