diff --git a/src/json-crdt/__bench__/package.json b/src/json-crdt/__bench__/package.json
index c5549dc218..2d47f8b6e7 100644
--- a/src/json-crdt/__bench__/package.json
+++ b/src/json-crdt/__bench__/package.json
@@ -16,6 +16,6 @@
     "loro-crdt": "^0.4.1",
     "rope.js": "0.1.0",
     "yjs": "13.6.18",
-    "ywasm": "0.16.10"
+    "ywasm": "0.21.1"
   }
 }
diff --git a/src/json-crdt/__bench__/yarn.lock b/src/json-crdt/__bench__/yarn.lock
index 4f00e5e114..29183c2ebf 100644
--- a/src/json-crdt/__bench__/yarn.lock
+++ b/src/json-crdt/__bench__/yarn.lock
@@ -187,7 +187,7 @@ yjs@13.6.18:
   dependencies:
     lib0 "^0.2.86"
 
-ywasm@0.16.10:
-  version "0.16.10"
-  resolved "https://registry.yarnpkg.com/ywasm/-/ywasm-0.16.10.tgz#a5f4a399729d6b3d5ba5e3ebaec597afed57cdf4"
-  integrity sha512-nsoiKOD4rpBoWvwIfqTLo5cQcHh3d1gromzMkI1pBqg1Er4T+pl7Irs/Yg4i1QPQtTiKUWGPkVQnjcVE4zNyZQ==
+ywasm@0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/ywasm/-/ywasm-0.21.1.tgz#bcc0e6b31cc0eaf098b50eb54248cf69487e9637"
+  integrity sha512-B1qv7elBGPKuhN1MffgjajrKjeMrHiP2erRePmC6fh6O4aoDIjkWHRnRBno1OHAna3KtX2Hmi1s1PNld/qSarg==