diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 05a9a667d..a03a5c66d 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.81"
+channel = "nightly-2024-09-01"
 targets = ["wasm32-unknown-unknown", "wasm32-wasip1"]
 profile = "default" # include rustfmt, clippy
diff --git a/test-no-std/src/main.rs b/test-no-std/src/main.rs
index e20bc919f..6495ecff2 100644
--- a/test-no-std/src/main.rs
+++ b/test-no-std/src/main.rs
@@ -95,7 +95,7 @@ unsafe impl GlobalAlloc for SimpleAllocator {
 		let align_mask_to_round_down = !(align - 1);
 
 		if align > MAX_SUPPORTED_ALIGN {
-			return null_mut()
+			return null_mut();
 		}
 
 		let mut allocated = 0;
@@ -103,7 +103,7 @@ unsafe impl GlobalAlloc for SimpleAllocator {
 			.remaining
 			.fetch_update(SeqCst, SeqCst, |mut remaining| {
 				if size > remaining {
-					return None
+					return None;
 				}
 				remaining -= size;
 				remaining &= align_mask_to_round_down;
@@ -112,7 +112,7 @@ unsafe impl GlobalAlloc for SimpleAllocator {
 			})
 			.is_err()
 		{
-			return null_mut()
+			return null_mut();
 		};
 		(self.arena.get() as *mut u8).add(allocated)
 	}