diff --git a/changelog.d/8601-zlib-async-symbol-ratchet.md b/changelog.d/8601-zlib-async-symbol-ratchet.md
new file mode 100644
index 0000000000..270518f69f
--- /dev/null
+++ b/changelog.d/8601-zlib-async-symbol-ratchet.md
@@ -0,0 +1,3 @@
+Updated the optimized zlib coverage ratchet to require the asynchronous
+`deflateRaw`, `inflateRaw`, and `unzip` extension symbols that are already
+implemented and dispatched by `perry-ext-zlib`.
diff --git a/crates/perry/src/commands/compile/optimized_libs/tests.rs b/crates/perry/src/commands/compile/optimized_libs/tests.rs
index 21f48cab42..dd710440d9 100644
--- a/crates/perry/src/commands/compile/optimized_libs/tests.rs
+++ b/crates/perry/src/commands/compile/optimized_libs/tests.rs
@@ -1148,11 +1148,6 @@ fn ext_zlib_covers_every_stdlib_symbol_the_flip_strips() {
         "js_zlib_has_active_handles",
         "js_zlib_native_dispatch",
         "js_zlib_process_pending",
-        // Genuine one-shot gaps. Same shape as the #8005 pair; they have not
-        // broken a link only because no gap test links them on this path yet.
-        "js_zlib_deflate_raw",
-        "js_zlib_inflate_raw",
-        "js_zlib_unzip",
     ];
 
     fn exported_zlib_symbols(dir: &Path) -> std::collections::BTreeSet<String> {