diff --git a/Gemfile.lock b/Gemfile.lock
index c97287d4b..10d04e62b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -309,7 +309,7 @@ GEM
       rails (>= 4.2.0)
     letter_opener (1.7.0)
       launchy (~> 2.2)
-    listen (3.2.1)
+    listen (3.3.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.7.0)