diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 758a70b..83617e0 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
       netrc (~> 0.11)
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.3.5)
+    concurrent-ruby (1.3.7)
     connection_pool (2.5.5)
     drb (2.2.3)
     escape (0.0.4)