diff --git a/sitemap.xml b/sitemap.xml
index 329bb641..583d46cf 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,66 +2,66 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/add.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/build.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/character.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/collision.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/debug.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/demos.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/implementation.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/lexicon.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/misc.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/new6dof.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/overview.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/rigidbody.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/shape.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/softbody.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/sport.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 <url>
 <loc>https://stephengold.github.io/Libbulletjme/lbj-en/English/vehicle.html</loc>
-<lastmod>2023-12-28T19:47:20.169Z</lastmod>
+<lastmod>2024-01-01T01:40:57.854Z</lastmod>
 </url>
 </urlset>