diff --git a/source/postcard-schema-ng/src/impls/builtins_alloc.rs b/source/postcard-schema-ng/src/impls/builtins_alloc.rs
index 6414655..dcb521d 100644
--- a/source/postcard-schema-ng/src/impls/builtins_alloc.rs
+++ b/source/postcard-schema-ng/src/impls/builtins_alloc.rs
@@ -27,6 +27,11 @@ impl<K: Schema> Schema for alloc::collections::BTreeSet<K> {
     const SCHEMA: &'static DataModelType = &DataModelType::Seq(K::SCHEMA);
 }
 
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for alloc::collections::VecDeque<T> {
+    const SCHEMA: &'static DataModelType = &DataModelType::Seq(T::SCHEMA);
+}
+
 #[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
 impl<T: Schema> Schema for alloc::boxed::Box<T> {
     const SCHEMA: &'static DataModelType = T::SCHEMA;
@@ -36,3 +41,8 @@ impl<T: Schema> Schema for alloc::boxed::Box<T> {
 impl<T: ?Sized + Schema + alloc::borrow::ToOwned> Schema for alloc::borrow::Cow<'_, T> {
     const SCHEMA: &'static DataModelType = T::SCHEMA;
 }
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for alloc::rc::Rc<T> {
+    const SCHEMA: &'static DataModelType = T::SCHEMA;
+}
diff --git a/source/postcard-schema-ng/src/impls/builtins_std.rs b/source/postcard-schema-ng/src/impls/builtins_std.rs
index 9bb85c6..5ce439a 100644
--- a/source/postcard-schema-ng/src/impls/builtins_std.rs
+++ b/source/postcard-schema-ng/src/impls/builtins_std.rs
@@ -43,6 +43,11 @@ impl<K: Schema> Schema for std::collections::BTreeSet<K> {
     const SCHEMA: &'static DataModelType = &DataModelType::Seq(K::SCHEMA);
 }
 
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::collections::VecDeque<T> {
+    const SCHEMA: &'static DataModelType = &DataModelType::Seq(T::SCHEMA);
+}
+
 #[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
 impl<T: Schema> Schema for std::boxed::Box<T> {
     const SCHEMA: &'static DataModelType = T::SCHEMA;
@@ -52,3 +57,13 @@ impl<T: Schema> Schema for std::boxed::Box<T> {
 impl<T: ?Sized + Schema + std::borrow::ToOwned> Schema for std::borrow::Cow<'_, T> {
     const SCHEMA: &'static DataModelType = T::SCHEMA;
 }
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::rc::Rc<T> {
+    const SCHEMA: &'static DataModelType = T::SCHEMA;
+}
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::sync::Arc<T> {
+    const SCHEMA: &'static DataModelType = T::SCHEMA;
+}
diff --git a/source/postcard-schema-ng/tests/schema.rs b/source/postcard-schema-ng/tests/schema.rs
index 31ae953..46ac812 100644
--- a/source/postcard-schema-ng/tests/schema.rs
+++ b/source/postcard-schema-ng/tests/schema.rs
@@ -356,6 +356,9 @@ fn smoke() {
         (dewit::<Option<Classic>>, "Option<Classic>"),
         (dewit::<Option<ClassicGen<i32>>>, "Option<ClassicGen>"),
         (dewit::<PathBuf>, "String"),
+        (dewit::<std::collections::VecDeque<u32>>, "[u32]"),
+        (dewit::<std::rc::Rc<u32>>, "u32"),
+        (dewit::<std::sync::Arc<u32>>, "u32"),
     ];
     for (f, s) in tests {
         assert_eq!(f().as_str(), *s);
diff --git a/source/postcard-schema/src/impls/builtins_alloc.rs b/source/postcard-schema/src/impls/builtins_alloc.rs
index 51e87f1..802f65a 100644
--- a/source/postcard-schema/src/impls/builtins_alloc.rs
+++ b/source/postcard-schema/src/impls/builtins_alloc.rs
@@ -42,6 +42,14 @@ impl<K: Schema> Schema for alloc::collections::BTreeSet<K> {
     };
 }
 
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for alloc::collections::VecDeque<T> {
+    const SCHEMA: &'static NamedType = &NamedType {
+        name: "VecDeque<T>",
+        ty: &DataModelType::Seq(T::SCHEMA),
+    };
+}
+
 #[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
 impl<T: Schema> Schema for alloc::boxed::Box<T> {
     const SCHEMA: &'static NamedType = &NamedType {
@@ -57,3 +65,11 @@ impl<T: ?Sized + Schema + alloc::borrow::ToOwned> Schema for alloc::borrow::Cow<
         ty: T::SCHEMA.ty,
     };
 }
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for alloc::rc::Rc<T> {
+    const SCHEMA: &'static NamedType = &NamedType {
+        name: "Rc<T>",
+        ty: T::SCHEMA.ty,
+    };
+}
diff --git a/source/postcard-schema/src/impls/builtins_std.rs b/source/postcard-schema/src/impls/builtins_std.rs
index 6f32569..1b539bd 100644
--- a/source/postcard-schema/src/impls/builtins_std.rs
+++ b/source/postcard-schema/src/impls/builtins_std.rs
@@ -67,6 +67,14 @@ impl<K: Schema> Schema for std::collections::BTreeSet<K> {
     };
 }
 
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::collections::VecDeque<T> {
+    const SCHEMA: &'static NamedType = &NamedType {
+        name: "VecDeque<T>",
+        ty: &DataModelType::Seq(T::SCHEMA),
+    };
+}
+
 #[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
 impl<T: Schema> Schema for std::boxed::Box<T> {
     const SCHEMA: &'static NamedType = T::SCHEMA;
@@ -76,3 +84,19 @@ impl<T: Schema> Schema for std::boxed::Box<T> {
 impl<T: ?Sized + Schema + std::borrow::ToOwned> Schema for std::borrow::Cow<'_, T> {
     const SCHEMA: &'static NamedType = T::SCHEMA;
 }
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::rc::Rc<T> {
+    const SCHEMA: &'static NamedType = &NamedType {
+        name: "Rc<T>",
+        ty: T::SCHEMA.ty,
+    };
+}
+
+#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc", feature = "use-std"))))]
+impl<T: Schema> Schema for std::sync::Arc<T> {
+    const SCHEMA: &'static NamedType = &NamedType {
+        name: "Arc<T>",
+        ty: T::SCHEMA.ty,
+    };
+}
diff --git a/source/postcard-schema/tests/schema.rs b/source/postcard-schema/tests/schema.rs
index d7699e2..2cfcee6 100644
--- a/source/postcard-schema/tests/schema.rs
+++ b/source/postcard-schema/tests/schema.rs
@@ -400,6 +400,9 @@ fn smoke() {
         (dewit::<Option<Classic>>, "Option<Classic>"),
         (dewit::<Option<ClassicGen<i32>>>, "Option<ClassicGen>"),
         (dewit::<PathBuf>, "String"),
+        (dewit::<std::collections::VecDeque<u32>>, "[u32]"),
+        (dewit::<std::rc::Rc<u32>>, "u32"),
+        (dewit::<std::sync::Arc<u32>>, "u32"),
     ];
     for (f, s) in tests {
         assert_eq!(f().as_str(), *s);