diff --git a/src/items/mod.rs b/src/items/mod.rs
index 2ce2810..2e12085 100644
--- a/src/items/mod.rs
+++ b/src/items/mod.rs
@@ -527,12 +527,12 @@ mod tests {
 
         assert_eq!(
             "2024-07-17 06:14:49 +00:00",
-            test_eq_fmt("%Y-%m-%d %H:%M:%S %Z", "Jul 17 06:14:49 2024 GMT"),
+            test_eq_fmt("%Y-%m-%d %H:%M:%S %:z", "Jul 17 06:14:49 2024 GMT"),
         );
 
         assert_eq!(
             "2024-07-17 06:14:49 -03:00",
-            test_eq_fmt("%Y-%m-%d %H:%M:%S %Z", "Jul 17 06:14:49 2024 BRT"),
+            test_eq_fmt("%Y-%m-%d %H:%M:%S %:z", "Jul 17 06:14:49 2024 BRT"),
         );
     }
 }