diff --git a/Cargo.toml b/Cargo.toml
index cb10bfc..e2f0d05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ harness = false
 # This dependency provides a version of the unstable nightly Rust `Allocator`
 # trait on stable Rust. Enabling this feature means that `bumpalo` will
 # implement its `Allocator` trait.
-allocator-api2 = { version = "0.2.8", default-features = false, optional = true }
+allocator-api2 = { version = "0.4.0", default-features = false, optional = true }
 
 # This dependency is here to allow integration with Serde, if the `serde` feature is enabled
 serde = { version = "1.0.171", optional = true }
@@ -51,7 +51,7 @@ criterion = "0.3.6"
 rand = "0.8.5"
 serde = { version = "1.0.197", features = ["derive"] }
 serde_json = "1.0.115"
-blink-alloc = { version = "=0.4.0" }
+blink-alloc = { version = "=0.4" }
 
 # Make sure that criterion pulls in a rayon that supports our MSRV.
 rayon = { version = "=1.10.0" }
diff --git a/src/lib.rs b/src/lib.rs
index ce93435..b816fbe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2471,9 +2471,9 @@ unsafe impl<'a, const MIN_ALIGN: usize> alloc::Alloc for &'a Bump<MIN_ALIGN> {
 
         let new_layout = layout_from_size_align(new_size, layout.align())?;
         if new_size <= old_size {
-            Bump::shrink(self, ptr, layout, new_layout)
+            Bump::<MIN_ALIGN>::shrink(self, ptr, layout, new_layout)
         } else {
-            Bump::grow(self, ptr, layout, new_layout)
+            Bump::<MIN_ALIGN>::grow(self, ptr, layout, new_layout)
         }
     }
 }