diff --git a/Gemfile.lock b/Gemfile.lock
index f2afb03..12ba8cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    hashie (3.4.3)
+    hashie (3.6.0)
     high_voltage (2.4.0)
     hiredis (0.6.0)
     hitimes (1.2.3)
@@ -146,9 +146,9 @@ GEM
       rack (~> 1.2)
     octokit (4.1.1)
       sawyer (~> 0.6.0, >= 0.5.3)
-    omniauth (1.2.2)
+    omniauth (1.4.3)
       hashie (>= 1.2, < 4)
-      rack (~> 1.0)
+      rack (>= 1.6.2, < 3)
     omniauth-github (1.1.2)
       omniauth (~> 1.0)
       omniauth-oauth2 (~> 1.1)
@@ -168,7 +168,7 @@ GEM
       pry (>= 0.9.10)
     pundit (1.0.1)
       activesupport (>= 3.0.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-google-analytics (1.2.0)
       actionpack
       activesupport