diff --git a/Gemfile.lock b/Gemfile.lock
index 9c30e0d..13e4cbe 100755
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,9 +2,9 @@ GEM
   remote: https://rubygems.org/
   specs:
     colorator (0.1)
-    ffi (1.9.10)
-    ffi (1.9.10-x64-mingw32)
-    ffi (1.9.10-x86-mingw32)
+    ffi (>= 1.9.24)
+    ffi (>= 1.9.24-x64-mingw32)
+    ffi (>= 1.9.24-x86-mingw32)
     jekyll (>= 3.6.3)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)