diff --git a/packages/pgx_async/pgx_async.2.2/opam b/packages/pgx_async/pgx_async.2.2/opam
index adaa041c4d9..5503e14cc54 100644
--- a/packages/pgx_async/pgx_async.2.2/opam
+++ b/packages/pgx_async/pgx_async.2.2/opam
@@ -10,7 +10,7 @@ bug-reports: "https://github.com/arenadotio/pgx/issues"
 depends: [
   "dune" {>= "3.2"}
   "alcotest-async" {with-test & >= "1.0.0"}
-  "async_kernel" {>= "v0.13.0"}
+  "async_kernel" {>= "v0.13.0" & < "v0.17"}
   "async_unix" {>= "v0.13.0"}
   "async_ssl"
   "base64" {with-test & >= "3.0.0"}