diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 02e9d5778b6cd24bf2a594da036a20b7b8424e39..6baf29287c02cf94e65ff2b207d3e63035de8880 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -100,7 +100,7 @@ variables:
   before_script:
     - python3 -m venv .venv
     - source .venv/bin/activate
-    - pip3 install --upgrade llbase autobuild dmgbuild
+    - pip3 install --upgrade llbase autobuild dmgbuild certifi
   script:
     - autobuild configure -c Release -- -DENABLE_SIGNING=ON -DUSE_LTO=ON -DDISABLE_FATAL_WARNINGS=ON -DREVISION_FROM_VCS=FALSE
     - autobuild build -c Release --no-configure
@@ -140,9 +140,9 @@ variables:
       - .cache/pip
     when: 'always'
   before_script:
-    - python -m venv .venv
+    - python3 -m venv .venv
     - source .venv/bin/activate
-    - pip3 install --upgrade llbase autobuild
+    - pip3 install --upgrade llbase autobuild certifi
   script:
     - autobuild configure -c Release -- -DUSE_LTO=ON -DDISABLE_FATAL_WARNINGS=ON -DREVISION_FROM_VCS=FALSE
     - autobuild build -c Release --no-configure