diff --git a/Gemfile.lock b/Gemfile.lock
index 694bbf8..66ddf5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     omniauth-oauth2 (1.7.1)
       oauth2 (~> 1.4)
       omniauth (>= 1.9, < 3)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rake (13.0.3)
     ruby2_keywords (0.0.4)