diff --git a/.zuul.yaml b/.zuul.yaml
index 0a48041fa7..032a0da29d 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -10,7 +10,7 @@
 
 - project:
     templates:
-      - openstack-python3-victoria-jobs
+      - openstack-python3-zed-jobs
       - build-openstack-docs-pti
     check:
       jobs:
@@ -19,12 +19,17 @@
             irrelevant-files:
               - ^doc/.*$
         - releases-tox-list-changes
-        - openstack-tox-py36:
+        - openstack-tox-py38:
             irrelevant-files:
               - ^data/.*$
               - ^deliverables/.*$
               - ^doc/.*$
-        - openstack-tox-py37:
+        - openstack-tox-py39:
+            irrelevant-files:
+              - ^data/.*$
+              - ^deliverables/.*$
+              - ^doc/.*$
+        - openstack-tox-py310:
             irrelevant-files:
               - ^data/.*$
               - ^deliverables/.*$
@@ -46,12 +51,17 @@
             timeout: 10800
             irrelevant-files:
               - ^doc/.*$
-        - openstack-tox-py36:
+        - openstack-tox-py38:
             irrelevant-files:
               - ^data/.*$
               - ^deliverables/.*$
               - ^doc/.*$
-        - openstack-tox-py37:
+        - openstack-tox-py39:
+            irrelevant-files:
+              - ^data/.*$
+              - ^deliverables/.*$
+              - ^doc/.*$
+        - openstack-tox-py310:
             irrelevant-files:
               - ^data/.*$
               - ^deliverables/.*$
diff --git a/openstack_releases/cmds/check_schema.py b/openstack_releases/cmds/check_schema.py
index 3a2fdb8297..8060b4e365 100644
--- a/openstack_releases/cmds/check_schema.py
+++ b/openstack_releases/cmds/check_schema.py
@@ -45,20 +45,20 @@ _LIAISONS_SCHEMA = yamlutils.loads(
 )
 
 
-def is_date(validator, value, instance, schema):
-    if not isinstance(instance, str):
-        return
-    try:
-        return datetime.datetime.strptime(instance, "%Y-%m-%d")
-    except Exception:
-        yield jsonschema.ValidationError('Invalid date {!r}'.format(instance))
+def is_date(validator, instance):
+    return (
+        isinstance(instance, datetime.date) and
+        not isinstance(instance, datetime.datetime)
+    )
 
 
 def make_validator_with_date(schema_data):
+    draft4_validator = jsonschema.Draft4Validator
+    date_type_checker = draft4_validator.TYPE_CHECKER.redefine("date", is_date)
     return jsonschema.validators.extend(
-        validator=jsonschema.Draft4Validator(schema_data),
-        validators={'date': is_date},
-    )(schema_data, types={'date': datetime.date})
+        validator=draft4_validator,
+        type_checker=date_type_checker
+    )(schema=schema_data)
 
 
 def validate_one_file(filename, schema_data, debug):
diff --git a/requirements.txt b/requirements.txt
index a567f662cd..c44b27603e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ yamlordereddictloader
 prompt_toolkit>=2.0.7
 tqdm
 mwclient==0.8.1
-jsonschema<4.0.0,>=3.2.0
+jsonschema>=3.2.0
 twine>=1.13.0
 wheel>=0.34.2
 ruamel.yaml>=0.15