diff --git a/tox.ini b/tox.ini
index 0b66370..5f3bc3a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,3 +1,16 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 [tox]
 envlist = py27,py3
 toxworkdir={homedir}/.tox
@@ -18,6 +31,7 @@
 basepython = python
 deps = stdeb
        setuptools-version-command
+       setuptools == 44.0.0
 commands = python setup.py --command-packages=stdeb.command bdist_deb
 
 [testenv:build3]