diff --git a/src/properties.rs b/src/properties.rs
index bb205b8f..b94746b0 100644
--- a/src/properties.rs
+++ b/src/properties.rs
@@ -481,7 +481,7 @@ mod metadata {
 
         #[test]
         fn client_callbacks() {
-            let timeout = std::time::Duration::from_millis(10);
+            let timeout = std::time::Duration::from_millis(50);
             let prop1 = Property::new("foo", None);
             let prop2 = Property::new(
                 "http://churchofrobotron.com/2084",