diff --git a/lib/apartment/adapters/postgresql_adapter.rb b/lib/apartment/adapters/postgresql_adapter.rb
index 1c41b49f..4c4770e9 100644
--- a/lib/apartment/adapters/postgresql_adapter.rb
+++ b/lib/apartment/adapters/postgresql_adapter.rb
@@ -175,14 +175,28 @@ def preserving_search_path
       #
       def clone_pg_schema
         pg_schema_sql = patch_search_path(pg_dump_schema)
-        Apartment.connection.execute(pg_schema_sql)
+
+        # Create a temporary file to store the SQL
+        Tempfile.create do |temp_file|
+          temp_file.write(pg_schema_sql)
+          temp_file.close # Close the file so psql can read it
+
+          with_pg_env { system("psql", "-q", "-d", dbname, "-f", temp_file.path) }
+        end
       end
 
       # Copy data from schema_migrations into new schema
       #
       def copy_schema_migrations
         pg_migrations_data = patch_search_path(pg_dump_schema_migrations_data)
-        Apartment.connection.execute(pg_migrations_data)
+
+        # Create a temporary file to store the SQL
+        Tempfile.create do |temp_file|
+          temp_file.write(pg_migrations_data)
+          temp_file.close # Close the file so psql can read it
+
+          with_pg_env { system("psql", "-q", "-d", dbname, "-f", temp_file.path) }
+        end
       end
 
       #   Dump postgres default schema