diff --git a/Gemfile.lock b/Gemfile.lock
index b6002ae..57be385 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,8 +149,7 @@ GEM
       rack (>= 2.0.0)
       rack-protection (>= 2.0.0)
       redis (>= 4.1.0)
-    spring (2.0.2)
-      activesupport (>= 4.2)
+    spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)