diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 8fc1a1e5..b599c88d 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -56,7 +56,7 @@ jobs:
       - name: App armor configuration for slapd
         run: sudo aa-complain /usr/sbin/slapd
       - name: Force minimum dependency versions
-        run: sed -i -E 's/"(\^|>=)([0-9])/"==\2/' pyproject.toml
+        run: sed -i -E 's/"(\^|>=)([0-9])/"==\2/' pyproject.toml && sed -i -E 's/python = "==/python = "^/' pyproject.toml
       - run: poetry --version
       - run: poetry install
       - run: poetry run pytest
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ae2f2eef..fe08ab8c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -55,6 +55,7 @@ minversions:
   stage: test
   script:
     - sed -i -E 's/"(\^|>=)([0-9])/"==\2/' pyproject.toml
+    - sed -i -E 's/python = "==/python = "^/' pyproject.toml
     - poetry install
     - poetry run pytest