diff --git a/tools/ci-build/sanity-test b/tools/ci-build/sanity-test
index 933d36c9a363fdf367e39b4c79aa59eaed57a1ba..329bc6558a115a50a3e47b11931845633ba930f6 100755
--- a/tools/ci-build/sanity-test
+++ b/tools/ci-build/sanity-test
@@ -18,3 +18,4 @@ rustc +"${RUST_NIGHTLY_VERSION}" --version
 rustc --version
 sdk-versioner --version
 cargo semver-checks --version
+mdbook --version