diff --git a/Gemfile.lock b/Gemfile.lock
index d10a7c9..0d67655 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,8 +154,9 @@ GEM
     psych (5.1.2)
       stringio
     racc (1.8.1)
-    rack (3.1.12)
-    rack-session (2.0.0)
+    rack (3.1.14)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)
       rack (>= 1.3)