diff --git a/Gemfile.lock b/Gemfile.lock
index 65a02db..04ac2c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -306,7 +306,7 @@ GEM
       activemodel (>= 5.2)
     spreadsheet (1.3.0)
       ruby-ole
-    spring (4.1.3)
+    spring (4.2.1)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)