diff --git a/Gemfile.lock b/Gemfile.lock
index d0e5659d3..f8d6d941f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
       logger (~> 1.5)
     chunky_png (1.4.0)
     climate_control (1.2.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (2.5.5)
     cose (1.3.1)
       cbor (~> 0.5.9)