diff --git a/Gemfile.lock b/Gemfile.lock
index bc7a92d..33d09e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,8 +17,8 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     base64 (0.2.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    benchmark (0.4.1)
+    bigdecimal (3.2.1)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -27,12 +27,12 @@ GEM
     commonmarker (0.23.11)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
-    csv (3.3.4)
+    csv (3.3.5)
     dnsruby (1.72.4)
       base64 (~> 0.2.0)
       logger (~> 1.6.5)
       simpleidn (~> 0.2.1)
-    drb (2.2.1)
+    drb (2.2.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -226,7 +226,7 @@ GEM
       gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.12.0)
+    json (2.12.2)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)