diff --git a/.github/workflows/.lint.yml b/.github/workflows/.lint.yml
index 2f5f720996..7ea8f23b28 100644
--- a/.github/workflows/.lint.yml
+++ b/.github/workflows/.lint.yml
@@ -79,7 +79,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -125,7 +125,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -441,7 +441,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -488,7 +488,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -637,7 +637,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -690,7 +690,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
@@ -738,7 +738,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
diff --git a/.github/workflows/.static-type-check.yml b/.github/workflows/.static-type-check.yml
index 0d01169c9f..27c1b68439 100644
--- a/.github/workflows/.static-type-check.yml
+++ b/.github/workflows/.static-type-check.yml
@@ -89,7 +89,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: pyproject.toml
           cache: poetry
           cache-dependency-path: poetry.lock
       - name: Set Poetry environment
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2222348abb..95ecd64cfe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -508,7 +508,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: api-python/pyproject.toml
           cache: poetry
           cache-dependency-path: api-python/poetry.lock
       - name: Set Poetry environment
@@ -544,7 +544,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version-file: neural-forecasting/forecast-air-passenger-number/pyproject.toml
           cache: poetry
           cache-dependency-path: neural-forecasting/forecast-air-passenger-number/poetry.lock
       - name: Set Poetry environment