diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 44dbf1038a1efe69303a72addfb8c9ef54c264fa..dba01a3ec91051a82bf97e36cc788ac5874abf5f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -115,6 +115,7 @@ build-developers-doc:
     - cd ../../src
     - python3 -m venv doc-venv
     - . doc-venv/bin/activate
+    - pip3 install -U pip
     - pip3 install -r ../requirements.txt
     - pip3 install -U -r ../requirements.txt
     - pip3 install pdoc3
@@ -153,6 +154,7 @@ build-linux:
     # Setup virtual env
     - python3 -m venv linux-venv
     - . linux-venv/bin/activate
+    - pip3 install -U pip
     - pip3 install -r ../requirements.txt
     - pip3 install -U -r ../requirements.txt
     # Run Pyinstaller
@@ -254,6 +256,7 @@ test-pep8:
     # Setup virtual env
     - python3 -m venv venv
     - . venv/bin/activate
+    - pip3 install -U pip
     - pip3 install -r ../requirements.txt
     - pip3 install -U -r ../requirements.txt
     - pip3 install pycodestyle