diff --git a/newsfragments/4236.fixed.md b/newsfragments/4236.fixed.md
new file mode 100644
index 00000000000..f87d16941c7
--- /dev/null
+++ b/newsfragments/4236.fixed.md
@@ -0,0 +1 @@
+Declarative modules: do not discard doc comments on the `mod` node.
\ No newline at end of file
diff --git a/pyo3-macros-backend/src/module.rs b/pyo3-macros-backend/src/module.rs
index 71d776bf350..c1e46276544 100644
--- a/pyo3-macros-backend/src/module.rs
+++ b/pyo3-macros-backend/src/module.rs
@@ -287,6 +287,7 @@ pub fn pymodule_module_impl(mut module: syn::ItemMod) -> Result<TokenStream> {
 
     let initialization = module_initialization(&name, ctx);
     Ok(quote!(
+        #(#attrs)*
         #vis mod #ident {
             #(#items)*
 
diff --git a/tests/ui/pymodule_missing_docs.rs b/tests/ui/pymodule_missing_docs.rs
index 1b196fa65e0..ed7d772fafd 100644
--- a/tests/ui/pymodule_missing_docs.rs
+++ b/tests/ui/pymodule_missing_docs.rs
@@ -9,4 +9,9 @@ pub fn python_module(_m: &Bound<'_, PyModule>) -> PyResult<()> {
     Ok(())
 }
 
+#[cfg(feature = "experimental-declarative-modules")]
+/// Some module documentation
+#[pymodule]
+pub mod declarative_python_module {}
+
 fn main() {}