diff --git a/.github/workflows/deploy-test.yml b/.github/workflows/deploy-test.yml
index d4617764..d84c18ba 100644
--- a/.github/workflows/deploy-test.yml
+++ b/.github/workflows/deploy-test.yml
@@ -88,6 +88,10 @@ jobs:
       - run: mkdocs build -d site/${{ env.RELEASE_VERSION }}
       - run: mvn javadoc:javadoc
 
+      - name: Find Ontology Version
+        run: echo "$(grep 'versionIRI' iguana.owx | grep -Po '[0-9]+.[0-9]+.[0-9]+')"
+        id: find_ontology_version
+
       - name: 'Upload artifact'
         uses: actions/upload-artifact@v4
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 178a84ed..4f3859b0 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -117,6 +117,23 @@ jobs:
           publish_dir: ./javadoc/${{ env.RELEASE_VERSION }}/apidocs
           destination_dir: ./javadoc/latest
 
+      - name: Find Ontology Version
+        run: echo "ONTOLOGY_VERSION=$(grep 'versionIRI' iguana.owx | grep -Po '[0-9]+.[0-9]+.[0-9]+')" >> $GITHUB_OUTPUT
+        id: find_ontology_version
+
+      - name: Deploy Ontology
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./schema/
+          destination_dir: ./ontology/${{ steps.find_ontology_version.outputs.ONTOLOGY_VERSION }}/
+      - name: Deploy Ontology
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./schema/
+          destination_dir: ./ontology/
+
 
   deploy_gh_release:
     runs-on: ubuntu-latest