diff --git a/srctweb/Gemfile.lock b/srctweb/Gemfile.lock
index 44e2481..478fd29 100644
--- a/srctweb/Gemfile.lock
+++ b/srctweb/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.5.1)
       listen (~> 3.0)
-    json (2.1.0)
+    json (2.3.0)
     kramdown (1.17.0)
     liquid (4.0.3)
     listen (3.2.0)