diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 233b6ae2..43d4f8a8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,9 +24,9 @@ jobs:
       - uses: actions/checkout@v2
       - name: Install packages for XML and JSON validation
         run: |
-          pip install xmlschema jsonschema xmlstarlet
+          pip install xmlschema jsonschema xmlstarlet pyshacl
       - name: Validate
-        run: make validate_xml validate_json
+        run: make validate_xml validate_json validate_rdf
   build:
     needs: validate
 
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index bfe2f0b1..3c6d7759 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -24,9 +24,9 @@ jobs:
       - uses: actions/checkout@v2
       - name: Install packages for XML and JSON validation
         run: |
-          pip install xmlschema jsonschema xmlstarlet
+          pip install xmlschema jsonschema xmlstarlet pyshacl
       - name: Validate
-        run: make validate_xml validate_json
+        run: make validate_xml validate_json validate_rdf
   build:
     needs: validate
     runs-on: ubuntu-latest
diff --git a/.gitignore b/.gitignore
index e3cd38d4..3c6b63be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ dmlex-v1.0/specification/dmlex_uml_core_sm.png
 dmlex-v1.0/specification/dmlex-v1.0-csd02.fo
 dmlex-v1.0/specification/dmlex-v1.0-csd02.pdf
 dmlex-v1.0/specification/dmlex-v1.0-csd02.xml
+dmlex-v1.0/specification/.venv
diff --git a/dmlex-v1.0/specification/Makefile b/dmlex-v1.0/specification/Makefile
index ab7de40f..ef4cda96 100644
--- a/dmlex-v1.0/specification/Makefile
+++ b/dmlex-v1.0/specification/Makefile
@@ -34,7 +34,7 @@ Makefile.dep: dmlex.xml $(SOURCE_XML) makedep.sh
 	echo -n "SOURCE_XML=" > $@
 	./makedep.sh >> $@
 
-.PHONY: clean validate_xml validate_json
+.PHONY: clean validate_xml validate_json validate_rdf
 clean:
 	rm -f dmlex-$(VERSION).html dmlex-$(VERSION).pdf dmlex-$(VERSION).fo dmlex-$(VERSION).xml Makefile.dep dmlex_uml.svg dmlex_uml.pdf dmlex.dot dmlex.dot.content
 
@@ -69,3 +69,12 @@ validate_json: jsondep validate_json.py schemas/JSON/dmlex.schema.json schemas/J
 			 exit 4; \
 		   } \
 	done
+
+validate_rdf: jsondep schemas/RDF/dmlex.shacl
+	@for rdfexample in examples/examples/source/*[0-9].rdf; do \
+		echo validating "$$rdfexample"; \
+		python -m pyshacl -s schemas/RDF/dmlex.shacl -df turtle $$rdfexample -e schemas/RDF/dmlex.ttl -i rdfs \
+		|| { echo "validation of $$rdfexample failed"; \
+			 exit 5; \
+		   } \
+	done
diff --git a/dmlex-v1.0/specification/examples/examples/source/8.rdf b/dmlex-v1.0/specification/examples/examples/source/8.rdf
index 9f785a9b..2c408924 100644
--- a/dmlex-v1.0/specification/examples/examples/source/8.rdf
+++ b/dmlex-v1.0/specification/examples/examples/source/8.rdf
@@ -13,7 +13,7 @@ ex:doctor-n-1 a dmlex:Sense;
   dmlex:headwordTranslation [ a dmlex:HeadwordTranslation;
       dmlex:text "Ärztin";
       dmlex:listingOrder "2"^^xsd:unsignedInt;
-      dmlex:langCode "de"
+      dmlex:langCode "de" ;
       dmlex:partOfSpeech [ 
           dmlex:tag "n-fem";
           dmlex:listingOrder "1"^^xsd:unsignedInt ] ],
diff --git a/dmlex-v1.0/specification/serializations/RDF/verify_shacl.sh b/dmlex-v1.0/specification/serializations/RDF/verify_shacl.sh
deleted file mode 100644
index ad02975f..00000000
--- a/dmlex-v1.0/specification/serializations/RDF/verify_shacl.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# Run in dmlex-v1.0/specification/serializations/RDF/
-
-for f in `ls ../../examples/examples/source/*.rdf`
-do
-    echo "Validating $f"
-    pyshacl -s ontology/dmlex.shacl -df turtle $f -e ontology/dmlex.ttl -i rdfs
-done