diff --git a/sitemap_000.xml b/sitemap_000.xml
index d0003ebb..61b80aa4 100644
--- a/sitemap_000.xml
+++ b/sitemap_000.xml
@@ -14,7 +14,7 @@
 	</url>
 	<url>
 		<loc>https://ncbi.github.io/cxx-toolkit/pages/ch_getcode_svn</loc>
-		<lastmod>2020-03-30</lastmod>
+		<lastmod>2020-06-27</lastmod>
 		<changefreq>weekly</changefreq>
 		<priority>0.9</priority>
 	</url>