diff --git a/Gemfile.lock b/Gemfile.lock
index fd7d026..13f2356 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,10 +13,11 @@ GEM
     colorator (0.1)
     execjs (2.2.2)
     fast-stemmer (1.0.2)
-    ffi (1.9.6)
-    ffi (1.9.6-x64-mingw32)
-    ffi (1.9.6-x86-mingw32)
+    ffi (1.11.1)
+    ffi (1.11.1-x64-mingw32)
+    ffi (1.11.1-x86-mingw32)
     hitimes (1.2.2)
+    hitimes (1.2.2-x86-mingw32)
     jekyll (2.4.0)
       classifier-reborn (~> 2.0)
       colorator (~> 0.1)