diff --git a/Gemfile.lock b/Gemfile.lock
index f2b1aed..1da5f3d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,6 +3,7 @@ GEM
   specs:
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
+    base64 (0.3.0)
     chronic (0.10.2)
     declarative (0.0.10)
     declarative-option (0.1.0)
@@ -24,7 +25,8 @@ GEM
       os (>= 0.9, < 2.0)
       signet (~> 0.7)
     httpclient (2.8.3)
-    jwt (2.1.0)
+    jwt (2.10.3)
+      base64
     memoist (0.16.0)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)