diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7589a9e..84354af 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
           pip install -r requirements.txt
       - name: Test with unittest
         run: |
-          python -m unittest src/test_core.py
+          python -m unittest techdocs_core/test_core.py
       - name: Uninstall dependencies
         run: |
           pip list --format=freeze | xargs pip uninstall -y
diff --git a/README.md b/README.md
index a64588f..6de3875 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,10 @@ We only use `material-mkdocs` as base styles because Backstage also uses the `Ma
 
 ## Changelog
 
+### 1.5.0
+ - Renamed package namespace from `src` to `techdocs_core`
+ - Fix small deprecation in tests (`assertEquals` -> `assertEqual`) as it was deprecated since Python 3.2 and removed in 3.12
+
 ### 1.4.2
  - Fixes an issue where individual extension configurations were being ignored if the extension was included within `pymdownx.extra`. See [#147](https://github.com/backstage/mkdocs-techdocs-core/issues/147)
 
diff --git a/setup.py b/setup.py
index 1c5821e..90e6659 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name="mkdocs-techdocs-core",
-    version="1.4.2",
+    version="1.5.0",
     description="The core MkDocs plugin used by Backstage's TechDocs as a wrapper around "
     "multiple MkDocs plugins and Python Markdown extensions",
     long_description=long_description,
@@ -50,5 +50,5 @@
         "Programming Language :: Python :: 3.8",
     ],
     packages=find_packages(),
-    entry_points={"mkdocs.plugins": ["techdocs-core = src.core:TechDocsCore"]},
+    entry_points={"mkdocs.plugins": ["techdocs-core = techdocs_core.core:TechDocsCore"]},
 )
diff --git a/src/__init__.py b/techdocs_core/__init__.py
similarity index 100%
rename from src/__init__.py
rename to techdocs_core/__init__.py
diff --git a/src/core.py b/techdocs_core/core.py
similarity index 100%
rename from src/core.py
rename to techdocs_core/core.py
diff --git a/src/test_core.py b/techdocs_core/test_core.py
similarity index 97%
rename from src/test_core.py
rename to techdocs_core/test_core.py
index 98c7d7c..3fd0b4c 100644
--- a/src/test_core.py
+++ b/techdocs_core/test_core.py
@@ -88,7 +88,7 @@ def test_theme_overrides_dirs(self):
     def test_template_renders__multiline_value_as_valid_json(self):
         self.techdocscore.on_config(self.mkdocs_yaml_config)
         env = Environment(
-            loader=PackageLoader("test", self.techdocscore.tmp_dir_techdocs_theme.name),
+            loader=PackageLoader("techdocs_core", self.techdocscore.tmp_dir_techdocs_theme.name),
             autoescape=select_autoescape(),
         )
         template = env.get_template("techdocs_metadata.json")
@@ -98,7 +98,7 @@ def test_template_renders__multiline_value_as_valid_json(self):
         }
         rendered = template.render(config=config)
         as_json = json.loads(rendered)
-        self.assertEquals(config, as_json)
+        self.assertEqual(config, as_json)
 
     def test_restrict_snippet_base_path(self):
         self.mkdocs_yaml_config["mdx_configs"] = {