diff --git a/Gemfile.lock b/Gemfile.lock
index dec39e4ae..cd714a822 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
       http_parser.rb (~> 0.6.0)
     erubis (2.7.0)
     eventmachine (1.2.7)
-    ffi (1.13.0)
+    ffi (1.15.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
@@ -61,7 +61,7 @@ GEM
       listen (~> 3.0)
     kramdown (1.17.0)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.9.0)