diff --git a/Gemfile.lock b/Gemfile.lock
index 8f26de8..2221647 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,9 +140,8 @@ GEM
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     nenv (0.3.0)
-    nokogiri (1.6.8)
+    nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -152,7 +151,6 @@ GEM
       sawyer (~> 0.7.0, >= 0.5.3)
     parser (2.3.1.2)
       ast (~> 2.2)
-    pkg-config (1.1.7)
     powerpack (0.1.1)
     pronto (0.7.1)
       gitlab (~> 3.6, >= 3.4.0)