diff --git a/falcon/app/Gemfile.lock b/falcon/app/Gemfile.lock
index 9c7bf8e4..62f64ec3 100644
--- a/falcon/app/Gemfile.lock
+++ b/falcon/app/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
     colored2 (3.1.2)
     commander-fastlane (4.4.6)
       highline (~> 1.7.2)
-    concurrent-ruby (1.1.7)
+    concurrent-ruby (1.3.7)
     declarative (0.0.20)
     declarative-option (0.1.0)
     digest-crc (0.6.3)