diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 4679cc8..a98e26a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,10 +13,10 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
 
-      - name: Set up Python 3.11
+      - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.11
+          python-version-file: '.python-version'
 
       - name: Lint filenames
         run: python ./scripts/lint-filenames.py
diff --git a/.github/workflows/render.yml b/.github/workflows/render.yml
index 1cd00e4..f2e6293 100644
--- a/.github/workflows/render.yml
+++ b/.github/workflows/render.yml
@@ -14,17 +14,17 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
 
-      - name: Set up Python 3.11
+      - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.11
+          python-version-file: '.python-version'
 
       - name: Install dependencies
         run: bash ./scripts/setup.sh
 
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.node-version'
 
       - name: Install
         run: yarn install
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index b213b6b..0f877e8 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.node-version'
 
       - name: Install
         run: yarn install
diff --git a/.node-version b/.node-version
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+18
diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..2c07333
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.11