diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d782292f..c4312706 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,10 +4,10 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: Install requirements
         run: pip install flake8 pycodestyle
       - name: Check syntax
@@ -17,13 +17,13 @@ jobs:
     needs: lint
     strategy:
       matrix:
-        ckan-version: ["2.10", 2.9]
+        ckan-version: ["master", "2.10", 2.9]
       fail-fast: false
 
     name: CKAN ${{ matrix.ckan-version }}
     runs-on: ubuntu-latest
     container:
-      image: openknowledge/ckan-dev:${{ matrix.ckan-version }}
+      image: ckan/ckan-dev:${{ matrix.ckan-version }}
     services:
       solr:
         image: ckan/ckan-solr:${{ matrix.ckan-version }}
@@ -44,7 +44,7 @@ jobs:
       CKAN_REDIS_URL: redis://redis:6379/1
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install requirements
       run: |
         pip install -r requirements.txt
@@ -66,6 +66,8 @@ jobs:
     - name: Run tests
       run: pytest --ckan-ini=test.ini --cov=ckanext.dcat --cov-report=xml --cov-append --disable-warnings ckanext/dcat/tests
     - name: Upload coverage report to codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
-        file: ./coverage.xml
+        files: ./coverage.xml
+      env:
+        token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/ckanext/dcat/profiles.py b/ckanext/dcat/profiles.py
index 450166b0..c1ced34f 100644
--- a/ckanext/dcat/profiles.py
+++ b/ckanext/dcat/profiles.py
@@ -1,6 +1,3 @@
-from builtins import str
-from past.builtins import basestring
-from builtins import object
 import datetime
 import json
 
@@ -20,6 +17,7 @@
 from ckan.model.license import LicenseRegister
 from ckan.plugins import toolkit
 from ckan.lib.munge import munge_tag
+from ckan.lib.helpers import resource_formats
 from ckanext.dcat.utils import resource_uri, publisher_uri_organization_fallback, DCAT_EXPOSE_SUBCATALOGS, DCAT_CLEAN_TAGS
 
 DCT = Namespace("http://purl.org/dc/terms/")
@@ -67,7 +65,7 @@ class URIRefOrLiteral(object):
     def __new__(cls, value):
         try:
             stripped_value = value.strip()
-            if (isinstance(value, basestring) and (stripped_value.startswith("http://")
+            if (isinstance(value, str) and (stripped_value.startswith("http://")
                                                 or stripped_value.startswith("https://"))):
                 uri_obj = CleanedURIRef(value)
                 # although all invalid chars checked by rdflib should have been quoted, try to serialize
@@ -101,7 +99,7 @@ def _careful_quote(value):
         return value
 
     def __new__(cls, value):
-        if isinstance(value, basestring):
+        if isinstance(value, str):
             value = CleanedURIRef._careful_quote(value.strip())
         return URIRef(value)
 
@@ -614,7 +612,7 @@ def _distribution_format(self, distribution, normalize_ckan_format=True):
             if self._object(_format, RDF.type) == DCT.IMT:
                 if not imt:
                     imt = str(self.g.value(_format, default=None))
-                label = str(self.g.label(_format, default=None))
+                label = self._object_value(_format, RDFS.label)
             elif isinstance(_format, URIRef):
                 # If the URIRef does not reference a BNode, it could reference an IANA type.
                 # Otherwise, use it as label.
@@ -625,10 +623,8 @@ def _distribution_format(self, distribution, normalize_ckan_format=True):
                     label = format_uri
 
         if ((imt or label) and normalize_ckan_format):
-            import ckan.config
-            from ckan.lib import helpers
 
-            format_registry = helpers.resource_formats()
+            format_registry = resource_formats()
 
             if imt in format_registry:
                 label = format_registry[imt][1]
@@ -662,7 +658,7 @@ def _read_list_value(self, value):
         # List of values
         if isinstance(value, list):
             items = value
-        elif isinstance(value, basestring):
+        elif isinstance(value, str):
             try:
                 items = json.loads(value)
                 if isinstance(items, ((int, float, complex))):
diff --git a/ckanext/dcat/templates/package/read_base.html b/ckanext/dcat/templates/package/read_base.html
index 6d2216f1..4c6023c6 100644
--- a/ckanext/dcat/templates/package/read_base.html
+++ b/ckanext/dcat/templates/package/read_base.html
@@ -12,7 +12,7 @@
       {% endwith %}
     {% endif %}
 {% endblock -%}
-{% block body_extras %}
+{% block scripts %}
   {{ super() }}
   {% block structured_data %}
     {#
@@ -22,7 +22,6 @@
     More information about structured data:
     https://developers.google.com/search/docs/guides/intro-structured-data
     #}
-
       {% if h.helper_available('structured_data') %}
           <script type="application/ld+json">
            {{ h.structured_data(pkg.id)|safe }}
diff --git a/requirements.txt b/requirements.txt
index 5180804b..28bad239 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-rdflib==6.1.1
+rdflib>=6.1.1,<7.1.0
 geomet>=0.2.0
 ckantoolkit>=0.0.7
-future>=0.18.2
\ No newline at end of file
+future>=0.18.2