diff --git a/mdbook.changes b/mdbook.changes
index 964509f..16fd0cb 100644
--- a/mdbook.changes
+++ b/mdbook.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar  1 10:18:39 UTC 2023 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- Update vendored dependencies.
+- Restrict to tier 1 architectures.
+
 -------------------------------------------------------------------
 Wed Feb 15 09:45:49 UTC 2023 - socvirnyl.estela@gmail.com
 
diff --git a/mdbook.spec b/mdbook.spec
index 2964595..2b726bc 100644
--- a/mdbook.spec
+++ b/mdbook.spec
@@ -27,6 +27,8 @@ Source1:        vendor.tar.zst
 Source2:        cargo_config
 BuildRequires:  cargo-packaging
 BuildRequires:  rust+cargo
+BuildRequires:  zstd
+ExclusiveArch:  %{rust_tier1_arches}
 
 %description
 mdbook is a utility to create books from Markdown files
diff --git a/vendor.tar.zst b/vendor.tar.zst
index 0a74b5c..e4e5c3c 100644
--- a/vendor.tar.zst
+++ b/vendor.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:635d009514dbfcb930499c9881f73db29d8c55bef18399ece153c4849e30579c
-size 23451657
+oid sha256:9b764b97924a3ec919d348ec1b1e12932058e4f74fdd80253a2284a81cc3a639
+size 22971449