diff --git a/quad/cquads/cquads.go b/quad/cquads/cquads.go
index ea399f9..0632364 100644
--- a/quad/cquads/cquads.go
+++ b/quad/cquads/cquads.go
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:generate ragel -Z -G2 parse.rl
+
 // Package cquads implements parsing N-Quads like line-based syntax
 // for RDF datasets.
 //
diff --git a/quad/nquads/nquads.go b/quad/nquads/nquads.go
index 9652ebc..cb63647 100644
--- a/quad/nquads/nquads.go
+++ b/quad/nquads/nquads.go
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:generate ragel -Z -G2 parse.rl
+
 // Package nquads implements parsing the RDF 1.1 N-Quads line-based syntax
 // for RDF datasets.
 //