diff --git a/src/query.rs b/src/query.rs
index 8f429357..05f1391f 100644
--- a/src/query.rs
+++ b/src/query.rs
@@ -24,7 +24,7 @@ use crate::{
     cancellation::CancellationToken,
     handlers::{into_handler, HandlerImpl},
     key_expr::KeyExpr,
-    macros::{build, downcast_or_new, enum_mapper, option_wrapper, wrapper},
+    macros::{build, downcast_or_new, enum_mapper, import, option_wrapper, wrapper},
     matching::{MatchingListener, MatchingStatus},
     qos::{CongestionControl, Priority},
     sample::SourceInfo,
@@ -144,11 +144,21 @@ impl Query {
         #[pyo3(from_py_with = ZBytes::from_py_opt)] attachment: Option<ZBytes>,
         timestamp: Option<Timestamp>,
     ) -> PyResult<()> {
+        if congestion_control.is_some() {
+            import!(py, warnings.warn).call1((
+                "congestion_control in Query.reply is deprecated, it will be ignored",
+                py.get_type::<pyo3::exceptions::PyDeprecationWarning>(),
+            ))?;
+        }
+        if priority.is_some() {
+            import!(py, warnings.warn).call1((
+                "priority in Query.reply is deprecated, it will be ignored",
+                py.get_type::<pyo3::exceptions::PyDeprecationWarning>(),
+            ))?;
+        }
         let build = build!(
             self.get_ref()?.reply(key_expr, payload),
             encoding,
-            congestion_control,
-            priority,
             express,
             attachment,
             timestamp,
@@ -179,10 +189,20 @@ impl Query {
         #[pyo3(from_py_with = ZBytes::from_py_opt)] attachment: Option<ZBytes>,
         timestamp: Option<Timestamp>,
     ) -> PyResult<()> {
+        if congestion_control.is_some() {
+            import!(py, warnings.warn).call1((
+                "congestion_control in Query.reply_del is deprecated, it will be ignored",
+                py.get_type::<pyo3::exceptions::PyDeprecationWarning>(),
+            ))?;
+        }
+        if priority.is_some() {
+            import!(py, warnings.warn).call1((
+                "priority in Query.reply_del is deprecated, it will be ignored",
+                py.get_type::<pyo3::exceptions::PyDeprecationWarning>(),
+            ))?;
+        }
         let build = build!(
             self.get_ref()?.reply_del(key_expr),
-            congestion_control,
-            priority,
             express,
             attachment,
             timestamp,
diff --git a/zenoh/__init__.pyi b/zenoh/__init__.pyi
index 710644f9..29a73e67 100644
--- a/zenoh/__init__.pyi
+++ b/zenoh/__init__.pyi
@@ -853,6 +853,10 @@ class Query:
 
         .. note::
            See the class documentation for important details about which key expression to use for replies.
+
+        .. deprecated::
+           The ``congestion_control`` and ``priority`` parameters are deprecated and will be ignored.
+           Response QoS now automatically matches the original query's QoS to avoid priority inversion.
         """
 
     def reply_err(self, payload: _IntoZBytes, *, encoding: _IntoEncoding | None = None):
@@ -874,6 +878,10 @@ class Query:
 
         .. note::
            See the class documentation for important details about which key expression to use for replies.
+
+        .. deprecated::
+           The ``congestion_control`` and ``priority`` parameters are deprecated and will be ignored.
+           Response QoS now automatically matches the original query's QoS to avoid priority inversion.
         """
 
     @_unstable