diff --git a/Gemfile.lock b/Gemfile.lock
index 1961682e..adc7dd5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
     coderay (1.1.3)
     colorize (0.8.1)
     concurrent-ruby (1.2.2)
-    connection_pool (2.3.0)
+    connection_pool (2.4.0)
     crass (1.0.6)
     cssbundling-rails (1.1.2)
       railties (>= 6.0.0)