diff --git a/Cargo.toml b/Cargo.toml
index 4d7d931..b2747b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,4 +48,4 @@ claxon = "0.4"
 # Project convention: every encoder-carrying bench/example runs under
 # rusty_alloc (what ships) — a bench under the system allocator is not
 # comparable.
-rusty_alloc-api = "=1.1.6"
+rusty_alloc-api = "=2.2.0"