diff --git a/zenoh/src/info.rs b/zenoh/src/info.rs
index e299d4aeed..848a5cb68b 100644
--- a/zenoh/src/info.rs
+++ b/zenoh/src/info.rs
@@ -32,6 +32,7 @@ use zenoh_protocol::core::{WhatAmI, ZenohId};
 /// # })
 /// ```
 #[must_use = "Resolvables do nothing unless you resolve them using the `res` method from either `SyncResolve` or `AsyncResolve`"]
+#[derive(Debug)]
 pub struct ZidBuilder<'a> {
     pub(crate) session: SessionRef<'a>,
 }
@@ -69,6 +70,7 @@ impl<'a> AsyncResolve for ZidBuilder<'a> {
 /// # })
 /// ```
 #[must_use = "Resolvables do nothing unless you resolve them using the `res` method from either `SyncResolve` or `AsyncResolve`"]
+#[derive(Debug)]
 pub struct RoutersZidBuilder<'a> {
     pub(crate) session: SessionRef<'a>,
 }
@@ -115,6 +117,7 @@ impl<'a> AsyncResolve for RoutersZidBuilder<'a> {
 /// # })
 /// ```
 #[must_use = "Resolvables do nothing unless you resolve them using the `res` method from either `SyncResolve` or `AsyncResolve`"]
+#[derive(Debug)]
 pub struct PeersZidBuilder<'a> {
     pub(crate) session: SessionRef<'a>,
 }
diff --git a/zenoh/src/queryable.rs b/zenoh/src/queryable.rs
index 914684f76f..b602ba670b 100644
--- a/zenoh/src/queryable.rs
+++ b/zenoh/src/queryable.rs
@@ -155,6 +155,7 @@ impl fmt::Display for Query {
 
 /// A builder returned by [`Query::reply()`](Query::reply).
 #[must_use = "Resolvables do nothing unless you resolve them using the `res` method from either `SyncResolve` or `AsyncResolve`"]
+#[derive(Debug)]
 pub struct ReplyBuilder<'a> {
     query: &'a Query,
     result: Result<Sample, Value>,
diff --git a/zenoh/src/sample.rs b/zenoh/src/sample.rs
index 083e6fced5..5d707e5936 100644
--- a/zenoh/src/sample.rs
+++ b/zenoh/src/sample.rs
@@ -112,6 +112,7 @@ mod attachment {
 
     /// A builder for [`Attachment`]
     #[zenoh_macros::unstable]
+    #[derive(Debug)]
     pub struct AttachmentBuilder {
         pub(crate) inner: Vec<u8>,
     }