diff --git a/python-OWSLib.spec b/python-OWSLib.spec
index b005afd..c7d6afd 100644
--- a/python-OWSLib.spec
+++ b/python-OWSLib.spec
@@ -62,7 +62,10 @@ sed -r -i 's/[-]-cov[^[:blank:]]*[[:blank:]][^[[:blank:]]+//g' tox.ini
 # We don’t have python3dist(pandoc) packaged, and besides, we don’t actually
 # need python3dist(pandoc)—only the pandoc command-line tool, which we have
 # manually BR’d.
-sed -r '/^(flake8|pytest-cov|pandoc|coverage|coveralls)\b/d' \
+#
+# Don’t generate twine dependency, which is just for the upstream maintainer
+# uploading to PyPI.
+sed -r '/^(flake8|pytest-cov|pandoc|coverage|coveralls|twine)\b/d' \
     requirements-dev.txt > requirements-dev-filtered.txt
 
 # We don’t need shebangs in the examples. The pattern of selecting files