diff --git a/lib/octoball/log_subscriber.rb b/lib/octoball/log_subscriber.rb
index 4c5b998..b30dfa3 100644
--- a/lib/octoball/log_subscriber.rb
+++ b/lib/octoball/log_subscriber.rb
@@ -12,7 +12,11 @@ def sql(event)
     private
 
     def debug(progname = nil, &block)
-      conn = current_shard ? color("[Shard: #{current_shard}]", ActiveSupport::LogSubscriber::GREEN, true) : ''
+      if ActiveRecord.gem_version >= Gem::Version.new('7.1.0')
+        conn = current_shard ? color("[Shard: #{current_shard}]", ActiveSupport::LogSubscriber::GREEN, bold: true) : ''
+      else
+        conn = current_shard ? color("[Shard: #{current_shard}]", ActiveSupport::LogSubscriber::GREEN, true) : ''
+      end
       super(conn + progname.to_s, &block)
     end
   end