diff --git a/scripts/generate_mkdocs.py b/scripts/generate_mkdocs.py
index 48b4acce3c72e..d83fc62e117dd 100644
--- a/scripts/generate_mkdocs.py
+++ b/scripts/generate_mkdocs.py
@@ -108,7 +108,7 @@ def main() -> None:
         if not generated:
             continue
 
-        with Path(f"docs/{filename}").open("w+") as f:
+        with Path(f"docs/{filename}").open("w+", encoding="utf8") as f:
             if filename == "contributing.md":
                 # Copy the CONTRIBUTING.md.
                 shutil.copy("CONTRIBUTING.md", "docs/contributing.md")
@@ -173,7 +173,7 @@ def main() -> None:
     # Add the nav section to mkdocs.yml.
     config["nav"] = [{section.title: section.filename} for section in SECTIONS]
 
-    with Path("mkdocs.generated.yml").open("w+") as fp:
+    with Path("mkdocs.generated.yml").open("w+", encoding="utf8") as fp:
         yaml.safe_dump(config, fp)