diff --git a/docs/docs/user/known-instances.md b/docs/docs/user/known-instances.md
index 73ade5a..74f29eb 100644
--- a/docs/docs/user/known-instances.md
+++ b/docs/docs/user/known-instances.md
@@ -26,6 +26,7 @@ This page contains a non-exhaustive list with all websites using Anubis.
   * https://canine.tools/
   * https://git.lupancham.net/
   * https://dev.haiku-os.org
+  * http://code.hackerspace.pl/
 * <details>
   <summary>The United Nations</summary>