diff --git a/themes/digital.gov/layouts/sitemap.xml b/themes/digital.gov/layouts/sitemap.xml
index 5a4f8613d4..b86f4ab59a 100644
--- a/themes/digital.gov/layouts/sitemap.xml
+++ b/themes/digital.gov/layouts/sitemap.xml
@@ -1,9 +1,9 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   {{ range .Data.Pages }}
   <url>
-    <loc>https://digital.gov{{ .Permalink | relURL }}</loc>{{ if not .Lastmod.IsZero }}
-    <lastmod>{{ safeHTML ( .Lastmod.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ end }}{{ with .Sitemap.ChangeFreq }}
-    <changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
+    <loc>https://digital.gov{{ .Permalink | relURL }}</loc>
+    <lastmod>{{ safeHTML ( .Date | time.Format "2006-01-02" ) }}</lastmod>
+    {{ with .Sitemap.ChangeFreq }}<changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
     <priority>{{ .Sitemap.Priority }}</priority>{{ end }}
   </url>
   {{ end }}