diff --git a/acknowledgments/index.md b/acknowledgments/index.md
index 4d1084c..5bfd73b 100644
--- a/acknowledgments/index.md
+++ b/acknowledgments/index.md
@@ -13,6 +13,11 @@ served, and all of this infrastructure must be monitored and
 maintained.  On this page we'd like to thank the organizations and
 individuals that supply hardware for Void's use.
 
+## [23M GmbH](https://www.23m.com)
+
+23M sponsors a server for repo-de, our Tier 1 mirror located in
+central Germany.
+
 ## [DigitalOcean](https://www.digitalocean.com/)
 
 DigitalOcean sponsors a number of virtual machines which run various