diff --git a/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_association.rb b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_association.rb
new file mode 100644
index 0000000..7e0159a
--- /dev/null
+++ b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_association.rb
@@ -0,0 +1,2 @@
+# active_record_6.1_ruby_2/join_association
+require 'polyamorous/activerecord_6.0_ruby_2/join_association'
diff --git a/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_dependency.rb b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_dependency.rb
new file mode 100644
index 0000000..6be42da
--- /dev/null
+++ b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/join_dependency.rb
@@ -0,0 +1,2 @@
+# active_record_6.1_ruby_2/join_dependency.rb
+require 'polyamorous/activerecord_6.0_ruby_2/join_dependency'
diff --git a/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/reflection.rb b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/reflection.rb
new file mode 100644
index 0000000..6d378de
--- /dev/null
+++ b/polyamorous/lib/polyamorous/activerecord_6.1_ruby_2/reflection.rb
@@ -0,0 +1,2 @@
+# active_record_6.1_ruby_2/reflection.rb
+require 'polyamorous/activerecord_6.0_ruby_2/reflection'