diff --git a/Gemfile.lock b/Gemfile.lock
index 0fce798..22a4ab1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,7 +123,7 @@ GEM
     multi_json (1.15.0)
     multipart-post (2.4.1)
     nenv (0.3.0)
-    nio4r (2.7.1)
+    nio4r (2.7.3)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)