diff --git a/Gemfile b/Gemfile
index 6412d7a..2d3581d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,6 @@ gem 'pg'
 gem 'puma'
 gem 'propshaft'
 
-gem 'rails_extend', github: 'work-design/rails_extend'
 gem 'rails_com', github: 'work-design/rails_com'
 gem 'rails_design', github: 'work-design/rails_design'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 905958b..4ac696e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,35 +1,30 @@
 GIT
   remote: https://github.com/work-design/rails_com.git
-  revision: e091734eb5322b06e3e38791d1457004a14b4d86
+  revision: d4beb93fb735ec64322650dd48d25c713705447c
   specs:
     rails_com (1.3.0)
       acme-client
-      acts_as_list (>= 1.0)
       closure_tree (>= 7.3)
       default_where (~> 2.2)
       http-form_data (~> 2.3)
       httpx
       kaminari
       money-rails (~> 1.15)
+      mutex_m
       net-http
+      net-pop
+      ostruct
+      positioning
       rails (~> 7.0)
-      rails_extend
       turbo-rails
 
 GIT
   remote: https://github.com/work-design/rails_design.git
-  revision: 819240dedcd082fd1acee2faf9f3ebfb016be09d
+  revision: ac09f6f45788c2f14725bbaee1eec4b757dba0b8
   specs:
     rails_design (0.0.1)
       rails
 
-GIT
-  remote: https://github.com/work-design/rails_extend.git
-  revision: 063f67134799ad388a89ef254f6bb212ec420a68
-  specs:
-    rails_extend (1.0.1)
-      rails (>= 5.0)
-
 PATH
   remote: .
   specs:
@@ -39,7 +34,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    acme-client (2.0.17)
+    acme-client (2.0.18)
       faraday (>= 1.0, < 3.0.0)
       faraday-retry (>= 1.0, < 3.0.0)
     actioncable (7.1.3.2)
@@ -116,11 +111,9 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    acts_as_list (1.1.0)
-      activerecord (>= 4.2)
-    amazing_print (1.5.0)
+    amazing_print (1.6.0)
     base64 (0.2.0)
-    bigdecimal (3.1.6)
+    bigdecimal (3.1.7)
     builder (3.2.4)
     closure_tree (7.4.0)
       activerecord (>= 4.2.10)
@@ -129,31 +122,31 @@ GEM
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
-    debug (1.9.1)
+    debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
     default_where (2.2.0)
       activerecord (>= 4.0.0)
     drb (2.2.1)
     erubi (1.12.0)
-    faraday (2.9.0)
+    faraday (2.10.0)
       faraday-net_http (>= 2.0, < 3.2)
-    faraday-net_http (3.1.0)
+      logger
+    faraday-net_http (3.1.1)
       net-http
-    faraday-retry (2.2.0)
+    faraday-retry (2.2.1)
       faraday (~> 2.0)
     ffi (1.16.3)
     globalid (1.2.1)
       activesupport (>= 6.1)
-    http-2-next (1.0.3)
+    http-2 (1.0.0)
     http-form_data (2.3.0)
-    httpx (1.2.3)
-      http-2-next (>= 1.0.3)
-    i18n (1.14.3)
+    httpx (1.3.0)
+      http-2 (>= 1.0.0)
+    i18n (1.14.4)
       concurrent-ruby (~> 1.0)
-      racc (~> 1.7)
     io-console (0.7.2)
-    irb (1.11.2)
+    irb (1.12.0)
       rdoc
       reline (>= 0.4.2)
     kaminari (1.2.2)
@@ -171,6 +164,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.6.0)
     loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -182,7 +176,7 @@ GEM
     marcel (1.0.4)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.22.2)
+    minitest (5.22.3)
     monetize (1.13.0)
       money (~> 6.12)
     money (6.19.0)
@@ -202,13 +196,17 @@ GEM
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.4.0.1)
+    net-smtp (0.5.0)
       net-protocol
-    nio4r (2.7.0)
-    nokogiri (1.16.2)
+    nio4r (2.7.1)
+    nokogiri (1.16.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    ostruct (0.6.0)
     pg (1.5.6)
+    positioning (0.2.3)
+      activerecord (>= 6.1)
+      activesupport (>= 6.1)
     propshaft (0.8.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -219,7 +217,7 @@ GEM
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (3.0.9.1)
+    rack (3.0.10)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)
@@ -256,20 +254,20 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
-    rake (13.1.0)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.6.2)
+    rdoc (6.6.3.1)
       psych (>= 4.0.0)
-    reline (0.4.3)
+    reline (0.5.0)
       io-console (~> 0.5)
     sdoc (2.6.1)
       rdoc (>= 5.0)
     stringio (3.1.0)
     thor (1.3.1)
     timeout (0.4.1)
-    turbo-rails (2.0.4)
+    turbo-rails (2.0.6)
       actionpack (>= 6.0.0)
       activejob (>= 6.0.0)
       railties (>= 6.0.0)
@@ -298,7 +296,6 @@ DEPENDENCIES
   rails
   rails_com!
   rails_design!
-  rails_extend!
   rails_growth!
   sdoc
 
diff --git a/app/models/growth/model/praise_user.rb b/app/models/growth/model/praise_user.rb
index cf3c610..5afa24f 100644
--- a/app/models/growth/model/praise_user.rb
+++ b/app/models/growth/model/praise_user.rb
@@ -20,7 +20,7 @@ module Model::PraiseUser
       end
       after_commit :reset_position, if: -> { saved_change_to_amount? }
 
-      acts_as_list scope: [:entity_type, :entity_id]
+      positioned on: [:entity_type, :entity_id]
     end
 
     def compute_amount