diff --git a/Gemfile.lock b/Gemfile.lock
index f2321f6..c40f315 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,8 +4,8 @@ GEM
     addressable (2.5.1)
       public_suffix (~> 2.0, >= 2.0.2)
     colorator (1.1.0)
-    ffi (1.9.18)
-    ffi (1.9.18-x64-mingw32)
+    ffi (1.12.2)
+    ffi (1.12.2-x64-mingw32)
     forwardable-extended (2.6.0)
     jekyll (3.4.3)
       addressable (~> 2.4)
@@ -32,7 +32,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    minima (2.1.0)
+    minima (2.1.1)
       jekyll (~> 3.3)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
@@ -43,22 +43,18 @@ GEM
     rouge (1.11.1)
     safe_yaml (1.0.4)
     sass (3.4.23)
-    thread_safe (0.3.6)
-    tzinfo (1.2.3)
-      thread_safe (~> 0.1)
-    tzinfo-data (1.2017.2)
-      tzinfo (>= 1.0.0)
 
 PLATFORMS
   ruby
   x64-mingw32
 
 DEPENDENCIES
+  bundler
   jekyll (= 3.4.3)
-  jekyll-feed (~> 0.6)
+  jekyll-feed
   jekyll-redirect-from
-  minima (~> 2.0)
-  tzinfo-data
+  kramdown
+  minima (= 2.1.1)
 
 RUBY VERSION
    ruby 2.3.3p222