diff --git a/Gemfile.lock b/Gemfile.lock
index a1ab75e..288112f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.3)
-    base64 (0.2.0)
+    base64 (0.3.0)
     benchmark (0.4.0)
     bigdecimal (3.1.9)
     builder (3.3.0)
@@ -105,8 +105,8 @@ GEM
       stringio
     public_suffix (6.0.1)
     racc (1.8.1)
-    rack (3.1.13)
-    rack-session (2.1.0)
+    rack (3.2.4)
+    rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.2.0)