diff --git a/Gemfile.lock b/Gemfile.lock
index 4cc26d8..60167ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     execjs (2.7.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.14)
+    ffi (1.12.2)
     gemoji (2.1.0)
     github-pages (89)
       activesupport (= 4.2.7)
@@ -124,7 +124,7 @@ GEM
       ethon (>= 0.8.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    yajl-ruby (1.3.1)
+    yajl-ruby (1.2.3)
 
 PLATFORMS
   ruby