diff --git a/Gemfile.lock b/Gemfile.lock
index 6c31693..770a873 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    database_cleaner (1.6.0)
+    database_cleaner (1.6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/database_cleaner/active_record/base.rb b/lib/database_cleaner/active_record/base.rb
index 1540483..42a0b51 100644
--- a/lib/database_cleaner/active_record/base.rb
+++ b/lib/database_cleaner/active_record/base.rb
@@ -65,6 +65,14 @@ module DatabaseCleaner
         end
       end
 
+      def self.exclusion_condition(column_name)
+        result = " #{column_name} <> '#{::DatabaseCleaner::ActiveRecord::Base.migration_table_name}' "
+        if ::ActiveRecord::VERSION::MAJOR >= 5
+          result += " AND #{column_name} <> '#{ActiveRecord::Base.internal_metadata_table_name}' "
+        end
+        result
+      end
+
       private
 
       def lookup_from_connection_pool
diff --git a/lib/database_cleaner/active_record/deletion.rb b/lib/database_cleaner/active_record/deletion.rb
index c10b3bd..59a41c4 100644
--- a/lib/database_cleaner/active_record/deletion.rb
+++ b/lib/database_cleaner/active_record/deletion.rb
@@ -72,7 +72,7 @@ module DatabaseCleaner::ActiveRecord
                INFORMATION_SCHEMA.TABLES
                WHERE
                table_schema = '#{db_name}'
-               AND table_name <> '#{::DatabaseCleaner::ActiveRecord::Base.migration_table_name}';
+               AND #{::DatabaseCleaner::ActiveRecord::Base.exclusion_condition('table_name')};
         SQL
       end
     end
diff --git a/lib/database_cleaner/active_record/truncation.rb b/lib/database_cleaner/active_record/truncation.rb
index d3f91c6..a470a6c 100644
--- a/lib/database_cleaner/active_record/truncation.rb
+++ b/lib/database_cleaner/active_record/truncation.rb
@@ -192,7 +192,7 @@ module DatabaseCleaner
           FROM pg_tables
           WHERE
             tablename !~ '_prt_' AND
-            tablename <> '#{::DatabaseCleaner::ActiveRecord::Base.migration_table_name}' AND
+            #{::DatabaseCleaner::ActiveRecord::Base.exclusion_condition('tablename')} AND
             schemaname = ANY (current_schemas(false))
         _SQL
         rows.collect { |result| result.first }