diff --git a/.gitignore b/.gitignore
index 94e27d7..c8753cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -161,3 +161,4 @@ cython_debug/
 .pdm-python
 .pdm-build
 .ruff_cache/
+llmspec/__version__.py
diff --git a/pyproject.toml b/pyproject.toml
index b87e8d5..38dbbe9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,8 @@ build-backend = "pdm.backend"
 [tool.pdm.version]
 source = "scm"
 write_to = "llmspec/__version__.py"
-write_template = "__version__ = '{}'"
+write_template = """__version__ = "{}"
+"""
 [tool.pdm.dev-dependencies]
 lint = [
     "ruff>=0.0.267",