diff --git a/specsim/config.py b/specsim/config.py
index 0c7bad6..2e6e46e 100644
--- a/specsim/config.py
+++ b/specsim/config.py
@@ -37,12 +37,12 @@
 
 import astropy.units
 import astropy.table
-import astropy.utils.data
 import astropy.coordinates
 import astropy.time
 import astropy.io.fits
 import astropy.wcs
 
+from pkg_resources import resource_filename
 
 def is_string(x):
     """Test if x is a string type.
@@ -238,7 +238,7 @@ def update(self):
         base_path = self.base_path
         if base_path == '<PACKAGE_DATA>':
             self._assign(
-                'abs_base_path', astropy.utils.data._find_pkg_data_path('data'))
+                'abs_base_path', resource_filename('specsim','data'))
         else:
             try:
                 self._assign('abs_base_path', base_path.format(**os.environ))
@@ -686,8 +686,8 @@ def load_config(name, config_type=Configuration):
     if extension:
         file_name = name
     else:
-        file_name = astropy.utils.data._find_pkg_data_path(
-            'data/config/{0}.yaml'.format(name))
+        file_name  = resource_filename('specsim',
+                                       'data/config/{0}.yaml'.format(name))
     if not os.path.isfile(file_name):
         raise ValueError('No such config file "{0}".'.format(file_name))