diff --git a/ubuntu/Dockerfile b/ubuntu/Dockerfile
index 661232b6d715528c4cf54eba85ba961139b0e0e8..f3829734085701db9c205b61ef2cec06f255675d 100644
--- a/ubuntu/Dockerfile
+++ b/ubuntu/Dockerfile
@@ -105,3 +105,5 @@ RUN apt-get install -y \
 
 ADD agki-nas01.imp.fu-berlin.de-ca-cert.crt /usr/local/share/ca-certificates/agki-nas01.imp.fu-berlin.de-ca-cert.crt
 RUN update-ca-certificates
+COPY pip.conf /etc/
+RUN python3 -m pip install --upgrade pip==20.1.1
diff --git a/ubuntu/pip.conf b/ubuntu/pip.conf
new file mode 100644
index 0000000000000000000000000000000000000000..2556014ae1d448ab0608472d847b4e4547f5ca79
--- /dev/null
+++ b/ubuntu/pip.conf
@@ -0,0 +1,3 @@
+[global]
+extra-index-url = https://agki-nas01.imp.fu-berlin.de:30443/
+cert = /etc/ssl/certs/ca-certificates.crt