diff --git a/.github/fetch_version.py b/.github/fetch_version.py
index c8069441..2835c828 100644
--- a/.github/fetch_version.py
+++ b/.github/fetch_version.py
@@ -1,8 +1,8 @@
 def fetch_version():
     try:
-        import pkg_resources
+        import importlib
 
-        version = pkg_resources.get_distribution("policyengine").version
+        return importlib.import_module("policyengine").__version__
         return version
     except Exception as e:
         print(f"Error fetching version: {e}")
diff --git a/.github/workflows/any_changes.yaml b/.github/workflows/any_changes.yaml
index 6bec1fe8..4c0a3166 100644
--- a/.github/workflows/any_changes.yaml
+++ b/.github/workflows/any_changes.yaml
@@ -19,7 +19,7 @@ jobs:
         - name: Set up Python
           uses: actions/setup-python@v2
           with:
-            python-version: '3.10'
+            python-version: '3.13'
               
         - name: Install package
           run: uv pip install .[dev] --system
diff --git a/.github/workflows/code_changes.yaml b/.github/workflows/code_changes.yaml
index acd4db3f..8529fd58 100644
--- a/.github/workflows/code_changes.yaml
+++ b/.github/workflows/code_changes.yaml
@@ -30,7 +30,7 @@ jobs:
           - name: Set up Python
             uses: actions/setup-python@v2
             with:
-                python-version: '3.10'
+                python-version: '3.13'
               
           - name: Install package
             run: uv pip install .[dev] --system
diff --git a/.github/workflows/publish_package.yaml b/.github/workflows/publish_package.yaml
index 14e1f21f..94170236 100644
--- a/.github/workflows/publish_package.yaml
+++ b/.github/workflows/publish_package.yaml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: '3.10'
+          python-version: '3.13'
             
       - name: Install package
         run: uv pip install .[dev] --system
diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index e69de29b..27ba10c1 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    fixed:
+    - Dependency for `pkg_resources`.
diff --git a/policyengine/utils/charts.py b/policyengine/utils/charts.py
index 9f624c47..ad830d63 100644
--- a/policyengine/utils/charts.py
+++ b/policyengine/utils/charts.py
@@ -1,6 +1,5 @@
 import plotly.graph_objects as go
 from IPython.core.display import HTML, display_html
-import pkg_resources
 
 
 def add_fonts():
@@ -44,7 +43,9 @@ def add_fonts():
 
 
 def get_version_number(package):
-    return pkg_resources.get_distribution(package).version
+    import importlib
+
+    return importlib.import_module(package).__version__
 
 
 def format_fig(