diff --git a/modules/rhizo_base/manifests/apt.pp b/modules/rhizo_base/manifests/apt.pp
index ae62c8f..2d9eb64 100644
--- a/modules/rhizo_base/manifests/apt.pp
+++ b/modules/rhizo_base/manifests/apt.pp
@@ -106,6 +106,17 @@ class rhizo_base::apt::buster inherits rhizo_base::apt::common {
       notify      => Exec['apt_update'],
     }
 
+  apt::source { 'osmocom-obs':
+      location    => "https://www.rhizomatica.org/repo/rhizomatica:/production/Debian_10/",
+      release     => './',
+      repos       => '',
+      key         => {
+        'id'      => '4A836527D0AF454C0A667CF98A3BAF8CD37B735F',
+        'source'  => 'https://obs.osmocom.org/projects/rhizomatica/public_key'
+       },
+      notify      => Exec['apt_update'],
+    }
+
   apt::source { 'rhizo-buster':
       location    => 'http://repo.rhizomatica.org/debian/',
       release     => 'buster',