diff --git a/metamask-openrpc.json b/metamask-openrpc.json
index 4b91675..dd58c46 100644
--- a/metamask-openrpc.json
+++ b/metamask-openrpc.json
@@ -14,6 +14,9 @@
         {
             "$ref": "./methods/wallet_requestPermissions.json"
         },
+        {
+            "$ref": "./methods/wallet_getPreferredCurrency.json"
+        },
         {
             "$ref": "./methods/wallet_getPermissions.json"
         },
diff --git a/methods/wallet_getPreferredCurrency.json b/methods/wallet_getPreferredCurrency.json
new file mode 100644
index 0000000..8724767
--- /dev/null
+++ b/methods/wallet_getPreferredCurrency.json
@@ -0,0 +1,17 @@
+{
+  "tags": [
+    {
+      "$ref": "../tags/Metamask.json"
+    }
+  ],
+  "name": "wallet_getPreferredCurrency",
+  "summary": "Get preferred currency",
+  "description": "Get the user's preferred base currency.",
+  "params": [],
+  "result": {
+    "name": "CurrencyResult",
+    "schema": {
+      "type": "string"
+    }
+  }
+}