diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 541013c1e7..033d81916e 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -555,7 +555,7 @@ module ActiveRecord
         end
 
         def has_default_function?(default_value, default)
-          !default_value && (%r{\w+\(.*\)|\(.*\)::\w+} === default)
+          !default_value && %r{\w+\(.*\)|\(.*\)::\w+|CURRENT_DATE|CURRENT_TIMESTAMP}.match?(default)
         end
 
         def load_additional_types(type_map, oids = nil)
diff --git a/activerecord/test/cases/defaults_test.rb b/activerecord/test/cases/defaults_test.rb
index a6297673c9..996d298689 100644
--- a/activerecord/test/cases/defaults_test.rb
+++ b/activerecord/test/cases/defaults_test.rb
@@ -87,9 +87,14 @@ if current_adapter?(:PostgreSQLAdapter)
 
     test "schema dump includes default expression" do
       output = dump_table_schema("defaults")
-      assert_match %r/t\.date\s+"modified_date",\s+default: -> { "\('now'::text\)::date" }/, output
+      if ActiveRecord::Base.connection.postgresql_version >= 100000
+        assert_match %r/t\.date\s+"modified_date",\s+default: -> { "CURRENT_DATE" }/, output
+        assert_match %r/t\.datetime\s+"modified_time",\s+default: -> { "CURRENT_TIMESTAMP" }/, output
+      else
+        assert_match %r/t\.date\s+"modified_date",\s+default: -> { "\('now'::text\)::date" }/, output
+        assert_match %r/t\.datetime\s+"modified_time",\s+default: -> { "now\(\)" }/, output
+      end
       assert_match %r/t\.date\s+"modified_date_function",\s+default: -> { "now\(\)" }/, output
-      assert_match %r/t\.datetime\s+"modified_time",\s+default: -> { "now\(\)" }/, output
       assert_match %r/t\.datetime\s+"modified_time_function",\s+default: -> { "now\(\)" }/, output
     end
   end