diff --git a/Jenkinsfile b/Jenkinsfile
index f36bce55..4123a8d5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -36,7 +36,6 @@ pipeline {
                     virtualenv venv
                     #. venv/bin/activate
                     export PATH=${VIRTUAL_ENV}/bin:${PATH}
-                    pip install --upgrade pip
                     pip install -r requirements.txt -r dev-requirements.txt
                     make -f Makefile clean
                 """
diff --git a/requirements.txt b/requirements.txt
index 275e7911..12e26695 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ python_prctl
 psutil
 pycrypto
 python-git
-pathlib
+pathlib2
 python-msgpack
 python-qt4
 pyOpenSSL