diff --git a/README.md b/README.md
index 8648083..de6b547 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ necessary to set up a gentoo github mirror based sync system:
 * Updates metadata-cache.
 * Updates the dtd directory.
 * Updates the glsa directory.
+* Updates `projects.xml` file
 * Updates the news directory.
 
 ## Notes ##
diff --git a/repo.postsync.d/sync_gentoo_projects_xml b/repo.postsync.d/sync_gentoo_projects_xml
new file mode 100644
index 0000000..e3583a1
--- /dev/null
+++ b/repo.postsync.d/sync_gentoo_projects_xml
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+repository_name="${1}"
+repository_path="${3}"
+
+[[ ${repository_name} == "gentoo" ]] || exit 0
+
+source /lib/gentoo/functions.sh
+
+ebegin "Updating herds.xml"
+wget -q -O "${repository_path}"/metadata/projects.xml https://api.gentoo.org/metastructure/projects.xml
+eend $?