diff --git a/docs/conf.py b/docs/conf.py
index 96746bf..fed362e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -59,9 +59,11 @@ copyright = '2012-%s, Ian Bicking' % thisyear
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
-import pkg_resources
-version = pkg_resources.get_distribution(project).version
-release = version
+import pathlib
+lines = (pathlib.Path(__file__).parent.parent / 'PKG-INFO').open().readlines()
+line = lines[2]
+assert line.startswith('Version: ')
+release = line.split(':')[1].strip()
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.