diff --git a/ci/run_python_test.sh b/ci/run_python_test.sh
index 6d55ec7275d47118f4545ba2e1daf45241be8262..580d86781bd980954dc3ae6f93bc128a0da7f876 100755
--- a/ci/run_python_test.sh
+++ b/ci/run_python_test.sh
@@ -6,6 +6,7 @@ set -e
 BASEDIR=$(readlink -f "$(dirname "$0")"/..)
 
 function python_test() {
+    pip3 install --upgrade pip
     pushd "${BASEDIR}"/python_module >/dev/null
         pip3 install -e '.[ci]'
         export PYTHONPATH=.