diff --git a/server.env b/server.env
index 9fcd9dd..abea91f 100644
--- a/server.env
+++ b/server.env
@@ -28,6 +28,9 @@ DRONE_LOGS_TRACE=false
 DRONE_HTTP_STS_SECONDS=63072000
 DRONE_HTTP_STS_PRELOAD=true
 
+# Prometheus anonymous access
+DRONE_PROMETHEUS_ANONYMOUS_ACCESS=true
+
 # Registration settings
 DRONE_OPEN=true
 DRONE_REGISTRATION_CLOSED=false