diff --git a/Gemfile.lock b/Gemfile.lock
index 0aca813..d7b7905 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,15 +109,14 @@ GEM
       net-http-persistent (~> 2.9)
       net-http-pipeline
     gherkin (4.0.0)
-    github_api (0.17.0)
-      addressable (~> 2.4.0)
+    github_api (0.18.2)
+      addressable (~> 2.4)
       descendants_tracker (~> 0.0.4)
-      faraday (~> 0.8, < 0.10)
-      hashie (>= 3.4)
-      mime-types (>= 1.16, < 3.0)
+      faraday (~> 0.8)
+      hashie (~> 3.5, >= 3.5.2)
       oauth2 (~> 1.0)
     hashdiff (0.3.1)
-    hashie (3.5.5)
+    hashie (3.5.6)
     highline (1.7.8)
     hike (1.2.3)
     httmultiparty (0.3.16)
@@ -148,7 +147,7 @@ GEM
     mimemagic (0.3.2)
     mini_portile2 (2.1.0)
     minitest (5.9.1)
-    multi_json (1.12.1)
+    multi_json (1.12.2)
     multi_test (0.1.2)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -157,8 +156,8 @@ GEM
     net-http-pipeline (1.0.1)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-    oauth2 (1.3.1)
-      faraday (>= 0.8, < 0.12)
+    oauth2 (1.4.0)
+      faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)