diff --git a/dbtemplates/management/commands/sync_templates.py b/dbtemplates/management/commands/sync_templates.py
index 269cc15..7d95429 100644
--- a/dbtemplates/management/commands/sync_templates.py
+++ b/dbtemplates/management/commands/sync_templates.py
@@ -65,7 +65,7 @@ class Command(BaseCommand):
             tpl_dirs = app_template_dirs + DIRS
         else:
             tpl_dirs = DIRS + app_template_dirs
-        templatedirs = [d for d in tpl_dirs if os.path.isdir(d)]
+        templatedirs = [str(d) for d in tpl_dirs if os.path.isdir(d)]
 
         for templatedir in templatedirs:
             for dirpath, subdirs, filenames in os.walk(templatedir):
diff --git a/dbtemplates/utils/cache.py b/dbtemplates/utils/cache.py
index 98f63f7..53f0078 100644
--- a/dbtemplates/utils/cache.py
+++ b/dbtemplates/utils/cache.py
@@ -1,3 +1,4 @@
+import django
 from django.core import signals
 from django.contrib.sites.models import Site
 from django.template.defaultfilters import slugify
@@ -9,8 +10,12 @@ def get_cache_backend():
     """
     Compatibilty wrapper for getting Django's cache backend instance
     """
-    from django.core.cache import _create_cache
-    cache = _create_cache(settings.DBTEMPLATES_CACHE_BACKEND)
+    if django.VERSION[0] >= 3 and django.VERSION[1] >= 2:
+        from django.core.cache import caches
+        cache = caches.create_connection(settings.DBTEMPLATES_CACHE_BACKEND)
+    else:
+        from django.core.cache import _create_cache
+        cache = _create_cache(settings.DBTEMPLATES_CACHE_BACKEND)
     # Some caches -- python-memcached in particular -- need to do a cleanup at
     # the end of a request cycle. If not implemented in a particular backend
     # cache.close is a no-op
diff --git a/tox.ini b/tox.ini
index c36793c..dbde404 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,6 @@ envlist =
 
 [gh-actions]
 python =
-    3.5: py36
     3.6: py36
     3.7: py37
     3.8: py38, flake8
@@ -21,7 +20,6 @@ python =
 
 [testenv]
 basepython =
-    py35: python3.5
     py36: python3.6
     py37: python3.7
     py38: python3.8
@@ -32,9 +30,6 @@ setenv =
     DJANGO_SETTINGS_MODULE = dbtemplates.test_settings
 deps =
     -r requirements/tests.txt
-    dj111: Django<2.0
-    dj20: Django<2.1
-    dj21: Django<2.2
     dj22: Django<2.3
     dj30: Django<3.1
     dj31: Django<3.2
@@ -50,7 +45,7 @@ commands =
     coverage xml
 
 [testenv:flake8]
-basepython = python3.8
+basepython = python3.9
 commands = flake8 dbtemplates
 deps = flake8