diff --git a/MANIFEST.in b/MANIFEST.in
index 56e2f68e..bb630fbb 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,6 +4,9 @@ include README.md
 recursive-include geocat *.py
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
+exclude .gitignore
+exclude .pre-commit-config.yaml
+exclude .readthedocs.yml
 
 include *.md
 include *.toml
@@ -14,3 +17,5 @@ prune ci*
 prune .github*
 prune .circleci*
 prune docs*
+prune benchmarks*
+prune build_envs*
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index ceded2e5..91ee52bd 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -18,6 +18,7 @@ Internal Changes
 * Python 3.12 Support by `Cora Schneck`_ in (:pr:`548`)
 * Temporarily pin ASV to ``<0.6.2`` by `Anissa Zacharias`_ in (:pr:`556`)
 * Added ``linkcheck_ignore`` to ``docs/conf.py`` to address erroneous failures `Anissa Zacharias`_ in (:pr:`559`)
+* Convert to implicit namespace packaging set up by `Anissa Zacharias`_ in (:pr:`563`)
 
 
 v2024.01.0 (January 30, 2023)
diff --git a/geocat/__init__.py b/geocat/__init__.py
deleted file mode 100644
index de40ea7c..00000000
--- a/geocat/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__import__('pkg_resources').declare_namespace(__name__)
diff --git a/setup.cfg b/setup.cfg
index d9027463..326f7b5c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,9 +27,7 @@ classifiers =
 zip_safe = False
 include_package_data = True
 python_requires = >=3.9, <3.13
-packages =
-    geocat
-    geocat.comp
+packages = find_namespace:
 setup_requires =
     setuptools_scm
     setuptools
@@ -48,6 +46,10 @@ tests_require =
     netcdf4
     geocat-datafiles
 
+[options.packages.find]
+where = .
+include = geocat.*
+
 [options.extras_require]
 docs =
     ipykernel