diff --git a/Gemfile.lock b/Gemfile.lock
index 32dfed1..c34f1ce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
       concurrent-ruby (~> 1.0)
     interception (0.5)
     json (2.3.1)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)