diff --git a/modm_devices/pkg.py b/modm_devices/pkg.py
index 8d876b8e..5f4414f1 100644
--- a/modm_devices/pkg.py
+++ b/modm_devices/pkg.py
@@ -9,8 +9,7 @@
 
 import os
 import re
-import sys
-import pkgutil
+import importlib.resources
 
 import urllib.request
 import urllib.parse
@@ -28,24 +27,13 @@ def atoi(text):
 
     return [atoi(c) for c in re.split(r"([-]?\d+)", key)]
 
+
 def get_filename(package, resource):
     """Rewrite of pkgutil.get_data() that return the file path.
     """
-    loader = pkgutil.get_loader(package)
-    if loader is None or not hasattr(loader, 'get_data'):
-        return None
-    mod = sys.modules.get(package) or loader.load_module(package)
-    if mod is None or not hasattr(mod, '__file__'):
-        return None
-
-    # Modify the resource name to be compatible with the loader.get_data
-    # signature - an os.path format "filename" starting with the dirname of
-    # the package's __file__
-    parts = resource.split('/')
-    parts.insert(0, os.path.dirname(mod.__file__))
-    resource_name = os.path.normpath(os.path.join(*parts))
-
-    return resource_name
+    package_files = importlib.resources.files(package)
+    return (package_files / resource).resolve()
+
 
 CATALOGFILE = get_filename('modm_devices', 'resources/catalog.xml')
 os.environ['XML_CATALOG_FILES'] = \