diff --git a/Gemfile.lock b/Gemfile.lock
index 416101d..dd17ef6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,20 +20,20 @@ GEM
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
-    faraday (0.10.1)
+    faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     hashdiff (0.3.4)
     i18n (0.8.0)
-    jwt (1.5.6)
+    jwt (2.1.0)
     method_source (0.8.2)
     minitest (5.10.1)
-    multi_json (1.12.1)
+    multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     mustermann (1.0.2)
-    oauth2 (1.3.0)
-      faraday (>= 0.8, < 0.11)
-      jwt (~> 1.0)
+    oauth2 (1.4.1)
+      faraday (>= 0.8, < 0.16.0)
+      jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)