diff --git a/.github/scripts/bump_version.py b/.github/scripts/bump_version.py
index 96a037c..f3fd968 100644
--- a/.github/scripts/bump_version.py
+++ b/.github/scripts/bump_version.py
@@ -38,7 +38,9 @@ def main() -> None:
     if new_parsed <= current_parsed:
         sys.exit(f"Error: {new} does not exceed the current version {current}.")
     subprocess.run(["uv", "version", new, "--no-sync"], check=True)
-    VERSION_FILE.write_text(f'__version__ = "{new}"\n')
+    VERSION_FILE.write_text(
+        re.sub(r'(?m)^__version__ = ".*"$', f'__version__ = "{new}"', VERSION_FILE.read_text())
+    )
 
 
 if __name__ == "__main__":
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index d279b46..004c7ce 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -49,7 +49,7 @@ jobs:
       - name: Bump package version
         run: |
           new="$(uv version --bump patch --bump dev=0 --short --no-sync)"
-          printf '__version__ = "%s"\n' "$new" > src/gimmegit/_version.py
+          sed -i "s/^__version__ = \".*\"/__version__ = \"$new\"/" src/gimmegit/_version.py
       - name: Open a PR
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}