diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 241d611..44fcac1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,10 +22,14 @@ jobs:
 
       - name: Install RPM dependencies
         run: |
-          dnf install -y krb5-devel pre-commit
+          dnf install -y krb5-devel
+          pip install "poetry>=1.2"
+
+      - name: Install the project
+        run: poetry install
 
       - name: Run pre-commit checks
-        run: pre-commit run --all-files
+        run: poetry run pre-commit run --all-files
 
   docs:
     name: Documentation
diff --git a/tox.ini b/tox.ini
index 3f9d9b6..e78b2c6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,7 +27,7 @@ commands=
     poetry run sphinx-build -W -b html -d {envtmpdir}/doctrees .  _build/html
 
 [testenv:checks]
-commands = pre-commit run --all-files
+commands = poetry run pre-commit run --all-files
 
 [testenv:licenses]
 allowlist_externals =