diff --git a/Gemfile.lock b/Gemfile.lock
index a8fd3ca..582960b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
+      kramdown, (~>2.3.0)
       liquid (~> 3.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
@@ -23,7 +23,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
-    kramdown (1.12.0)
+    kramdown (2.3.0)
     liquid (3.0.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)