diff --git a/Gemfile.lock b/Gemfile.lock
index efd06bf..97b67ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,7 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    parallel (1.12.1)
+    parallel (1.13.0)
     parser (2.6.0.0)
       ast (~> 2.4.0)
     poltergeist (1.18.1)