diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5ab79ea..11a6e66 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,9 +17,11 @@ mypy:
   stage: linting
   script:
   - apt-get -qqy update
-  - apt-get -qqy install --no-install-recommends python3-pip
-  - pip3 install mypy
-  - pip3 install -r requirements-test.txt
+  - apt-get -qqy install --no-install-recommends python3-venv python3-pip
+  - python3 -m venv .venv
+  - source .venv/bin/activate
+  - pip install mypy
+  - pip install -r requirements-test.txt
   - mypy --ignore-missing-imports --explicit-package-bases matweb main.py
 
 bandit:
@@ -35,12 +37,14 @@ tests:debian:
     - apt update
   script:
     - apt-get -qqy update
-    - apt-get -qqy install --no-install-recommends mat2 python3-flask python3-coverage python3-pip python3-setuptools
-    - pip3 install wheel
+    - apt-get -qqy install --no-install-recommends build-essential libgirepository1.0-dev mat2 python3-venv python3-dev python3-pip python3-setuptools libcairo2-dev pkg-config 
+    - python3 -m venv .venv
+    - source .venv/bin/activate
     - pip3 install -r requirements.txt -r requirements-test.txt
-    - python3-coverage run --branch --include main.py,matweb/*.py -m unittest discover -s test
-    - python3-coverage report -m
-    - python3-coverage xml
+    - coverage run --branch --include main.py,matweb/*.py -m unittest discover -s test
+    - coverage report -m
+    - coverage xml
+  coverage: '/TOTAL.*(\d\d%)/'
   artifacts:
     reports:
       coverage_report:
diff --git a/requirements-test.txt b/requirements-test.txt
index 70dd298..bd249c2 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,4 +1,7 @@
 openapi-spec-validator==0.2.8
 types-Flask==1.1.0
 types-Jinja2==2.11.1
-types-PyYAML==0.1.7
\ No newline at end of file
+types-PyYAML==0.1.7
+wheel==0.40.0
+coverage==7.2.7
+Flask-Testing==0.8.1
\ No newline at end of file