diff --git a/Gemfile b/Gemfile
index 0919e7e22..91ed6c8a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -75,6 +75,9 @@ gem "unread"
 gem "nokogiri", "~> 1.19.1"
 gem "thor", "~> 1.4.0"
 
+# Pinning until activesupport is updated to v8.1.2
+gem "connection_pool", "~> 2.5"
+
 group :development, :test do
   # Check gems for known vulnerabilities
   gem "bundler-audit"
diff --git a/Gemfile.lock b/Gemfile.lock
index 235cf4b5a..4277b9499 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.3.6)
-    connection_pool (3.0.2)
+    connection_pool (2.5.3)
     crack (1.0.0)
       bigdecimal
       rexml
@@ -581,6 +581,7 @@ DEPENDENCIES
   capybara
   capybara-lockstep
   capybara-screenshot
+  connection_pool (~> 2.5)
   cssbundling-rails
   devise
   devise_two_factor_authentication