diff --git a/esy.lock/index.json b/esy.lock/index.json
index 98aae12a..a152c6e6 100644
--- a/esy.lock/index.json
+++ b/esy.lock/index.json
@@ -1,5 +1,5 @@
 {
-  "checksum": "dca9ff18d3249eb66437a46cef9bf542",
+  "checksum": "db9d381b63ddacbee31e703aa70c34d0",
   "root": "@grain/binaryen.ml@link-dev:./package.json",
   "node": {
     "ocaml@4.14.1000@d41d8cd9": {
diff --git a/package.json b/package.json
index 04e85b17..f48ff595 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "ocaml": ">= 4.12.0 < 5.0.0",
-    "@grain/libbinaryen": ">= 120.0.0 < 121.0.0",
+    "@grain/libbinaryen": ">= 122.0.0 < 123.0.0",
     "@opam/dune": ">= 3.0.0 < 3.12.0",
     "@opam/dune-configurator": ">= 3.0.0"
   },