diff --git a/activerecord/lib/active_record/store.rb b/activerecord/lib/active_record/store.rb
index 5cce0c6672..59b8a90b59 100644
--- a/activerecord/lib/active_record/store.rb
+++ b/activerecord/lib/active_record/store.rb
@@ -251,7 +251,7 @@ module ActiveRecord
           attribute = object.send(store_attribute)
           unless attribute.is_a?(ActiveSupport::HashWithIndifferentAccess)
             attribute = IndifferentCoder.as_indifferent_hash(attribute)
-            object.send :"#{store_attribute}=", attribute
+            object.public_send :"#{store_attribute}=", attribute
           end
           attribute
         end
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index b81ee4e713..d66e37a903 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -566,9 +566,9 @@ class AttributeMethodsTest < ActiveRecord::TestCase
 
       meth = "#{prefix}title"
       assert_respond_to topic, meth
-      assert_equal ["title"], topic.send(meth)
-      assert_equal ["title", "a"], topic.send(meth, "a")
-      assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
+      assert_equal ["title"], topic.public_send(meth)
+      assert_equal ["title", "a"], topic.public_send(meth, "a")
+      assert_equal ["title", 1, 2, 3], topic.public_send(meth, 1, 2, 3)
     end
   end
 
@@ -580,9 +580,9 @@ class AttributeMethodsTest < ActiveRecord::TestCase
 
       meth = "title#{suffix}"
       assert_respond_to topic, meth
-      assert_equal ["title"], topic.send(meth)
-      assert_equal ["title", "a"], topic.send(meth, "a")
-      assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
+      assert_equal ["title"], topic.public_send(meth)
+      assert_equal ["title", "a"], topic.public_send(meth, "a")
+      assert_equal ["title", 1, 2, 3], topic.public_send(meth, 1, 2, 3)
     end
   end
 
@@ -594,9 +594,9 @@ class AttributeMethodsTest < ActiveRecord::TestCase
 
       meth = "#{prefix}title#{suffix}"
       assert_respond_to topic, meth
-      assert_equal ["title"], topic.send(meth)
-      assert_equal ["title", "a"], topic.send(meth, "a")
-      assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
+      assert_equal ["title"], topic.public_send(meth)
+      assert_equal ["title", "a"], topic.public_send(meth, "a")
+      assert_equal ["title", 1, 2, 3], topic.public_send(meth, 1, 2, 3)
     end
   end
 
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 250fac64f7..30261f37d0 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -706,12 +706,12 @@ class BasicsTest < ActiveRecord::TestCase
   def test_non_valid_identifier_column_name
     weird = Weird.create("a$b" => "value")
     weird.reload
-    assert_equal "value", weird.send("a$b")
+    assert_equal "value", weird.public_send("a$b")
     assert_equal "value", weird.read_attribute("a$b")
 
     weird.update_columns("a$b" => "value2")
     weird.reload
-    assert_equal "value2", weird.send("a$b")
+    assert_equal "value2", weird.public_send("a$b")
     assert_equal "value2", weird.read_attribute("a$b")
   end
 
diff --git a/activerecord/test/cases/scoping/named_scoping_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb
index a1c9443aaf..da00d44b92 100644
--- a/activerecord/test/cases/scoping/named_scoping_test.rb
+++ b/activerecord/test/cases/scoping/named_scoping_test.rb
@@ -410,8 +410,8 @@ class NamedScopingTest < ActiveRecord::TestCase
       scope :"title containing space", ->(space: " ") { where("title LIKE '%#{space}%'") }
       scope :approved, -> { where(approved: true) }
     end
-    assert_equal klass.where("title LIKE '% %'"), klass.send(:"title containing space", space: " ")
-    assert_equal klass.approved.where("title LIKE '% %'"), klass.approved.send(:"title containing space", space: " ")
+    assert_equal klass.where("title LIKE '% %'"), klass.public_send(:"title containing space", space: " ")
+    assert_equal klass.approved.where("title LIKE '% %'"), klass.approved.public_send(:"title containing space", space: " ")
   end
 
   def test_find_all_should_behave_like_select