diff --git a/Gemfile.lock b/Gemfile.lock
index 18fddea..5eb8746 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,11 +19,11 @@ GEM
   specs:
     byebug (11.0.1)
     clamp (1.3.1)
-    concurrent-ruby (1.1.5)
-    concurrent-ruby-edge (0.5.0)
-      concurrent-ruby (~> 1.1.5)
-    concurrent-ruby-ext (1.1.5)
-      concurrent-ruby (= 1.1.5)
+    concurrent-ruby (1.3.7)
+    concurrent-ruby-edge (0.7.2)
+      concurrent-ruby (~> 1.3)
+    concurrent-ruby-ext (1.3.7)
+      concurrent-ruby (= 1.3.7)
     connection_pool (2.2.2)
     ffi (1.11.1)
     ffi (1.11.1-java)