diff --git a/Cargo.toml b/Cargo.toml
index 9ad7ef8..239392f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,4 @@ no_std = [] # This is a no-op, preserved for backward compatibility only.
 
 [dev-dependencies]
 quickcheck = "0.7"
+version-sync = "0.8"
diff --git a/tests/version-numbers.rs b/tests/version-numbers.rs
new file mode 100644
index 0000000..e8be955
--- /dev/null
+++ b/tests/version-numbers.rs
@@ -0,0 +1,14 @@
+#[test]
+fn test_readme_deps() {
+    version_sync::assert_markdown_deps_updated!("README.md");
+}
+
+#[test]
+fn test_readme_changelog() {
+    version_sync::assert_contains_regex!("README.md", r"^## {version}$");
+}
+
+#[test]
+fn test_html_root_url() {
+    version_sync::assert_html_root_url_updated!("src/lib.rs");
+}