diff --git a/.github/workflows/e2e-tests.yaml b/.github/workflows/e2e-tests.yaml
index 6a7767e7ba..4481cefd85 100644
--- a/.github/workflows/e2e-tests.yaml
+++ b/.github/workflows/e2e-tests.yaml
@@ -32,7 +32,7 @@ jobs:
           cache: poetry
           cache-dependency-path: backend/poetry.lock
       - name: Set Poetry environment
-        run: poetry -C ./backend env use 3.9
+        run: poetry -C ./backend env use '${{ steps.python.outputs.python-path }}'
       - name: Install Python dependencies
         run: poetry -C ./backend install --with tests
       - name: Install JS dependencies
diff --git a/.github/workflows/mypy.yaml b/.github/workflows/mypy.yaml
index 06d4367d95..6c6ab3ac62 100644
--- a/.github/workflows/mypy.yaml
+++ b/.github/workflows/mypy.yaml
@@ -19,7 +19,7 @@ jobs:
           cache: poetry
           cache-dependency-path: backend/poetry.lock
       - name: Set Poetry environment
-        run: poetry env use 3.9
+        run: poetry env use '${{ steps.python.outputs.python-path }}'
       - name: Install dependencies
         run: poetry install --with tests --with mypy --with custom-data
       - name: Run Mypy
diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index aeca019a04..81b3f41e6f 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -22,7 +22,7 @@ jobs:
           cache: poetry
           cache-dependency-path: backend/poetry.lock
       - name: Set Poetry environment
-        run: poetry env use ${{ matrix.python-version }}
+        run: poetry env use '${{ steps.python.outputs.python-path }}'
       - name: Install dependencies
         run: poetry install --with tests --with mypy --with custom-data
       - name: Run Pytest