diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 48ade00..1a6cd3b 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -39,12 +39,12 @@ jobs:
       if: runner.os == 'Linux'
       run: |
         ./install_tempo2.sh
-    - name: Run lint
-      run: make lint
     - name: Install dependencies and package
       run: |
         python -m pip install --upgrade pip
         pip install -e .[astropy,dev]
+    - name: Run lint
+      run: make lint
     - name: Test with pytest
       run: make test
 
diff --git a/pyproject.toml b/pyproject.toml
index 6a26f12..fc01913 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,8 +81,8 @@ write_to = "libstempo/_version.py"
 [tool.black]
 line-length = 120
 target_version = ['py39']
-include = "\\.pyi?$"
-exclude = """
+include = '\\.pyi?$'
+exclude = '''
 (
   /(
       \\.eggs         # exclude a few common directories in the
@@ -96,6 +96,7 @@ exclude = """
     | dist
     | docs
     | .libstempo
+    | libstempo/_version\.py
   )/
 )
-"""
+'''