diff --git a/bin/envs.net/envs_sysinfo.sh b/bin/envs.net/envs_sysinfo.sh
index 7bb4e7a..20806b5 100755
--- a/bin/envs.net/envs_sysinfo.sh
+++ b/bin/envs.net/envs_sysinfo.sh
@@ -448,7 +448,7 @@ include 'header.php';
   <tr><td>services:</td> <td>$(print_srv_services 'core' "${sorted_services[@]}")</td></tr>
   <tr><td><hr></td> <td><hr></td></tr>
   <tr><td><strong>srv01.envs.net</strong></td> <td></td></tr>
-  <tr><td>os:</td> <td>Debian GNU/Linux 10 (buster)</td></tr>
+  <tr><td>os:</td> <td>Debian GNU/Linux 11 (bullseye)</td></tr>
   <tr><td>disk space:</td> <td>2x1TB ssd-nvme | 2x8TB hdd (media storage)</td></tr>
   <tr><td>services:</td> <td>$(print_srv_services 'srv01' "${sorted_services[@]}")</td></tr>
 </table>