diff --git a/python-webencodings.spec b/python-webencodings.spec
index 6e5b93b..05241da 100644
--- a/python-webencodings.spec
+++ b/python-webencodings.spec
@@ -4,7 +4,7 @@
 
 Name: python-%{srcname}
 Version: 0.5.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 BuildArch: noarch
 
 License: BSD
@@ -63,7 +63,7 @@ Requires: python3
 %py2_build
 %py3_build
 
-sphinx-build-3 docs docs/_build
+PYTHONPATH=. sphinx-build-3 docs docs/_build
 
 # Remove unneeded build artifacts.
 rm -rf docs/_build/.buildinfo
@@ -100,5 +100,8 @@ py.test-3
 
 
 %changelog
+* Tue Jul 25 2017 Randy Barlow <bowlofeggs@fedoraproject.org> - 0.5.1-2
+- Set the PYTHONPATH when building docs so the library is found.
+
 * Tue Jul 25 2017 Randy Barlow <bowlofeggs@fedoraproject.org> - 0.5.1-1
 - Initial release