diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 246e34f..18d7923 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -45,6 +45,9 @@ jobs:
           environment-file: ci/environment.yml
           extra-specs: |
             python=${{ matrix.python-version }}
+      - name: Fetch all history for all tags and branches
+        run: |
+           git fetch --prune --unshallow
       - name: Set up conda environment
         run: |
           python -m pip install -e .
diff --git a/arm_test_data/__init__.py b/arm_test_data/__init__.py
index 1f8a4be..7f25991 100644
--- a/arm_test_data/__init__.py
+++ b/arm_test_data/__init__.py
@@ -1,12 +1,12 @@
 #!/usr/bin/env python3
 # flake8: noqa
 """Top-level module for pythia-datasets ."""
-from pkg_resources import DistributionNotFound, get_distribution
+import importlib.metadata as _importlib_metadata
 
 from .dataset import DATASETS, locate
 
 try:
-    __version__ = get_distribution(__name__).version
-except DistributionNotFound:  # pragma: no cover
+    __version__ = _importlib_metadata.version("arm-test-data")
+except _importlib_metadata.PackageNotFoundError:  # pragma: no cover
     # package is not installed
     __version__ = 'unknown'  # pragma: no cover
diff --git a/arm_test_data/dataset.py b/arm_test_data/dataset.py
index 0966db9..3c0b270 100644
--- a/arm_test_data/dataset.py
+++ b/arm_test_data/dataset.py
@@ -1,4 +1,4 @@
-import pkg_resources
+import importlib.resources
 import pooch
 
 DATASETS = pooch.create(
@@ -7,7 +7,7 @@
     env='ARM_TEST_DATA_DIR',
 )
 
-with pkg_resources.resource_stream('arm_test_data', 'registry.txt') as registry_file:
+with open(importlib.resources.files('arm_test_data') / 'registry.txt') as registry_file:
     DATASETS.load_registry(registry_file)
 
 
diff --git a/ci/environment.yml b/ci/environment.yml
index 0752688..2944ce6 100644
--- a/ci/environment.yml
+++ b/ci/environment.yml
@@ -7,3 +7,5 @@ dependencies:
   - pooch
   - pre-commit
   - pytest-cov
+  - setuptools
+  - setuptools-scm