diff --git a/package.json b/package.json
index 4e6564f9f..dd567da4d 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "ethers-eip712": "^0.2.0",
     "hardhat": "^2.21.0",
     "merkletreejs": "^0.3.9",
-    "seaport-core": "1.6.5",
+    "seaport-core": "1.6.6",
     "seaport-sol": "1.6.0",
     "seaport-types": "1.6.3",
     "solady": "^0.0.84"