diff --git a/config/defaults.erb b/config/defaults.erb
index 792707f..dba91ab 100644
--- a/config/defaults.erb
+++ b/config/defaults.erb
@@ -47,6 +47,7 @@ signing_keys = [
 		'1d37eacbd70f72730b1f5aba246a6a8eab100e2d45dda0163d9ad827f70f88d4', # gernot
 		'bd5a70d4c3df30eaa860d615c0e0526b0dda5bc60c09c20972bce4ffa7512659', # bjoern
 		'd9992853c0fe1a2e983cc222b6bd26e70d4fb2a53862ac099144e9e8142238d0', # daniel
+		'961495a04512e5ba1843fd3c216d8af6ef2fdb19f93055142803e2da26d670b9', # alexander
 ]
 signing_keys_experimental = [
 		'1a0112fe489860068480c611c5dc56196c2f1a645db651ea2ed19ae0f0e8e1d1', # 1.builder