diff --git a/packages/serum/src/markets.json b/packages/serum/src/markets.json
index b4d28350..9b49933b 100644
--- a/packages/serum/src/markets.json
+++ b/packages/serum/src/markets.json
@@ -1283,6 +1283,12 @@
     "deprecated": false,
     "address": "3d4rzwpy9iGdCZvgxcu7B1YocYffVLsQXPXkBZKt2zLc"
   },
+  {
+    "name": "CYS/USDC",
+    "programId": "9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin",
+    "deprecated": false,
+    "address": "6V6y6QFi17QZC9qNRpVp7SaPiHpCTp2skbRQkUyZZXPW"
+  },
   {
     "name": "POLIS/USDC",
     "programId": "9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin",
@@ -1295,4 +1301,4 @@
     "deprecated": false,
     "address": "Di66GTLsV64JgCCYGVcY21RZ173BHkjJVgPyezNN7P1K"
   }
-]
\ No newline at end of file
+]
diff --git a/packages/tokens/src/mainnet-beta.json b/packages/tokens/src/mainnet-beta.json
index ef045fb3..ab42dc89 100644
--- a/packages/tokens/src/mainnet-beta.json
+++ b/packages/tokens/src/mainnet-beta.json
@@ -189,6 +189,11 @@
     "mintAddress": "MAPS41MDahZ9QdKXhVa4dWB9RuyfV4XqhyAZ8XcYepb",
     "tokenName": "MAPS"
   },
+  {
+    "tokenSymbol": "CYS",
+    "mintAddress": "BRLsMczKuaR5w9vSubF4j8HwEGGprVAyyVgS4EX7DKEg",
+    "tokenName": "Cyclos"
+  },
   {
     "tokenSymbol": "COPE",
     "mintAddress": "3K6rftdAaQYMPunrtNRHgnK2UAtjm2JwyT2oCiTDouYE",