diff --git a/config/initializers/regexp.rb b/config/initializers/regexp.rb
new file mode 100644
index 00000000000..a820d2b5d3d
--- /dev/null
+++ b/config/initializers/regexp.rb
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# 0.5s is a fairly high timeout, but that should account for slow servers under load
+Regexp.timeout = 0.5 if Regexp.respond_to?(:timeout=)