diff --git a/debian/changelog b/debian/changelog
index 6480f8c..d987547 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+python-click (6.7+git20180829-2) UNRELEASED; urgency=medium
+
+  * Use 'python3 -m sphinx' instead of sphinx-build for building docs
+
+ -- Ondřej Nový <onovy@debian.org>  Mon, 01 Oct 2018 10:44:22 +0200
+
 python-click (6.7+git20180829-1) unstable; urgency=medium
 
   * New upstream snapshot.
diff --git a/debian/rules b/debian/rules
index 3ac2166..993ab66 100755
--- a/debian/rules
+++ b/debian/rules
@@ -14,6 +14,6 @@ export SOURCE = $(CURDIR)/debian/
 
 override_dh_sphinxdoc:
 ifeq (,$(findstring nodocs, $(DEB_BUILD_OPTIONS)))
-	http_proxy='http://127.0.0.1:9/' PYTHONPATH=. sphinx-build -N -q -E -b html docs/ debian/python-click-doc/usr/share/doc/python-click/html/
+	http_proxy='http://127.0.0.1:9/' PYTHONPATH=. python3 -m sphinx -N -q -E -b html docs/ debian/python-click-doc/usr/share/doc/python-click/html/
 	dh_sphinxdoc
 endif