diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2e993cb..e53ae60 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,8 +1,8 @@
-from pkg_resources import DistributionNotFound, get_distribution
+from importlib.metadata import PackageNotFoundError, version
 
 try:
-    __version__ = get_distribution("pspy").version
-except DistributionNotFound:
+    __version__ = version("pspy")
+except PackageNotFoundError:
     __version__ = "unknown version"
 
 import os