diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5c4d5b6..6b07f57 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
     services:
       postgres:
         # Docker hub postgres image
-        image: postgres
+        image: postgres:16
         # Postgres env vars
         env:
           POSTGRES_USER: postgres
diff --git a/jsonate/fields.py b/jsonate/fields.py
index 75f4644..46fb9d9 100644
--- a/jsonate/fields.py
+++ b/jsonate/fields.py
@@ -44,4 +44,4 @@ def formfield(self, **kwargs):
         }
         defaults.update(kwargs)
 
-        return super(JsonateField, self).formfield(**defaults)
\ No newline at end of file
+        return super().formfield(**defaults)
\ No newline at end of file
diff --git a/jsonate/form_fields.py b/jsonate/form_fields.py
index d8a2e06..b687119 100644
--- a/jsonate/form_fields.py
+++ b/jsonate/form_fields.py
@@ -19,5 +19,5 @@ class JsonateFormField(CharField):
     widget = JsonateWidget
     
     def __init__(self, *args, **kwargs):
-        super(JsonateFormField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.validators.append(JsonateValidator)
diff --git a/jsonate/http.py b/jsonate/http.py
index e646dea..4305933 100644
--- a/jsonate/http.py
+++ b/jsonate/http.py
@@ -11,4 +11,4 @@ def __init__(self, content, mimetype='application/json', jsonp_callback=False, *
         if jsonp_callback:
             json_content = jsonp_callback + "(" + json_content + ");"
         
-        super(JsonateResponse, self).__init__(json_content, mimetype, *args, **kwargs)
\ No newline at end of file
+        super().__init__(json_content, mimetype, *args, **kwargs)
\ No newline at end of file
diff --git a/jsonate/json_encoder.py b/jsonate/json_encoder.py
index 4889be5..0244bc2 100644
--- a/jsonate/json_encoder.py
+++ b/jsonate/json_encoder.py
@@ -28,7 +28,7 @@ def default(self, obj):
         try:
             # this will handle the non-string things that
             # the default encoder can handle (like numbers, booleans etc)
-            return super(JsonateEncoder, self).default(obj)
+            return super().default(obj)
         except TypeError:
             return obj
                 
@@ -111,4 +111,4 @@ def map_datetime(obj):
 
 @register_typemap(Decimal)
 def map_decimal(obj):
-    return float(obj)
\ No newline at end of file
+    return float(obj)
diff --git a/jsonate/widgets.py b/jsonate/widgets.py
index 52ae7b4..2b0b64e 100644
--- a/jsonate/widgets.py
+++ b/jsonate/widgets.py
@@ -13,4 +13,4 @@ class JsonateWidget(forms.Textarea):
     def render(self, name, value, attrs=None, renderer=None):
         if not isinstance(value, str):
             value = jsonate(value, indent=2)
-        return super(JsonateWidget, self).render(name, value, attrs, renderer)
+        return super().render(name, value, attrs, renderer)
diff --git a/pyproject.toml b/pyproject.toml
index ea96d9f..3baba12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "jsonate"
-version = "1.0.0"
+version = "0.9.0"
 authors = [
     {name = "James Robert"},
     {email = "jiaaro@gmail.com"}