1 files changed, 4 insertions, 1 deletions

diff --git a/book.toml b/book.toml

index fa83d86ffc..ed3f6151e0 100644
--- a/book.toml
+++ b/book.toml
@@ -36,4 +36,7 @@ additional-css = [
     "docs/website_files/indent-section-headers.css",
 ]
 additional-js = ["docs/website_files/table-of-contents.js"]
-theme = "docs/website_files/theme"
\ No newline at end of file
+theme = "docs/website_files/theme"
+
+[preprocessor.schema_versions]
+command = "./scripts-dev/schema_versions.py"