diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index b291cf2bcd..1aae1fff98 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -6,3 +6,5 @@
 /tsdb @jesusvazquez
 /promql @roidelapluie
 /cmd/promtool @dgl
+/documentation/prometheus-mixin @metalmatze
+
diff --git a/MAINTAINERS.md b/MAINTAINERS.md
index 1175bb9a6f..902e9a6e94 100644
--- a/MAINTAINERS.md
+++ b/MAINTAINERS.md
@@ -7,7 +7,7 @@ Julien Pivotto (<roidelapluie@prometheus.io> / @roidelapluie) and Levi Harrison
 * `discovery`
   * `k8s`: Frederic Branczyk (<fbranczyk@gmail.com> / @brancz)
 * `documentation`
-  * `prometheus-mixin`: Björn Rabenstein (<beorn@grafana.com> / @beorn7)
+  * `prometheus-mixin`: Matthias Loibl (<mail@matthiasloibl.com> / @metalmatze)
 * `storage`
   * `remote`: Chris Marchbanks (<csmarchbanks@gmail.com> / @csmarchbanks), Callum Styan (<callumstyan@gmail.com> / @cstyan), Bartłomiej Płotka (<bwplotka@gmail.com> / @bwplotka), Tom Wilkie (<tom.wilkie@gmail.com> / @tomwilkie)
 * `tsdb`: Ganesh Vernekar (<ganesh@grafana.com> / @codesome), Bartłomiej Płotka (<bwplotka@gmail.com> / @bwplotka), Jesús Vázquez (<jesus.vazquez@grafana.com> / @jesusvazquez)