diff --git a/src/nightly.rs b/src/nightly.rs
index 7c4698d..62c7e47 100644
--- a/src/nightly.rs
+++ b/src/nightly.rs
@@ -2,4 +2,4 @@
 pub use core::alloc;
 
 #[cfg(feature = "alloc")]
-pub use alloc_crate::{alloc, boxed, vec};
+pub use alloc_crate::{alloc, boxed, vec, collections};
diff --git a/src/stable/mod.rs b/src/stable/mod.rs
index 709014d..5e5a080 100644
--- a/src/stable/mod.rs
+++ b/src/stable/mod.rs
@@ -21,6 +21,11 @@ mod macros;
 #[cfg(feature = "alloc")]
 mod slice;
 
+#[cfg(feature = "alloc")]
+pub mod collections {
+    pub use super::raw_vec::{TryReserveError, TryReserveErrorKind};
+}
+
 #[cfg(feature = "alloc")]
 #[track_caller]
 #[inline(always)]