diff --git a/layouts/partials/single/footer.html b/layouts/partials/single/footer.html
index 95a01e2d..8918212e 100644
--- a/layouts/partials/single/footer.html
+++ b/layouts/partials/single/footer.html
@@ -9,7 +9,7 @@
             {{- dict "Date" . | T "updatedOnDate" -}}
             {{- if $.Site.Params.gitRepo -}}
               {{- with $.GitInfo -}}
-                &nbsp;<a class="git-hash" href="{{ printf `%v/commit/%v` $.Site.Params.gitRepo .Hash }}" target="_blank" title="commit by {{ .AuthorName }}({{ .AuthorEmail }}) {{ .Hash }}: {{ .Subject }}">
+                &nbsp;<a class="git-hash" href="{{ printf `%v/commit/%v` $.Site.Params.gitRepo .Hash }}" rel="external nofollow noopener noreffer" target="_blank" title="commit by {{ .AuthorName }}({{ .AuthorEmail }}) {{ .Hash }}: {{ .Subject }}">
                   <i class="fas fa-hashtag fa-fw"></i>{{- .AbbreviatedHash -}}
                 </a>
               {{- end -}}