diff --git a/Gemfile.lock b/Gemfile.lock
index de04087..1fe6acb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,17 +28,17 @@ GEM
     jwt (2.4.1)
     multi_json (1.15.0)
     multi_xml (0.6.0)
-    oauth2 (1.4.10)
+    oauth2 (1.4.11)
       faraday (>= 0.17.3, < 3.0)
       jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (>= 1.2, < 3)
+      rack (>= 1.2, < 4)
     parallel (1.21.0)
     parser (3.1.0.0)
       ast (~> 2.4.1)
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (3.0.7)
     rainbow (3.1.1)
     rake (12.3.3)
     readapt (1.4.3)