diff --git a/Gemfile.lock b/Gemfile.lock
index 2e91f71..5303489 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    asciidoctor (1.5.6.1)
+    asciidoctor (1.5.6.2)
     coderay (1.1.1)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)