diff --git a/package-lock.json b/package-lock.json
index 2c6b4d4..6f9cd0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.1",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@dylibso/xtp-bindgen": "1.0.0-rc.13",
+        "@dylibso/xtp-bindgen": "1.0.0-rc.16",
         "ejs": "^3.1.10"
       },
       "devDependencies": {
@@ -21,10 +21,9 @@
       }
     },
     "node_modules/@dylibso/xtp-bindgen": {
-      "version": "1.0.0-rc.13",
-      "resolved": "https://registry.npmjs.org/@dylibso/xtp-bindgen/-/xtp-bindgen-1.0.0-rc.13.tgz",
-      "integrity": "sha512-aCmYSgC3Xwdlhm8mBKVpkzuHAtQ84ZgIwkdYQ3QFmDRxnBlZUtOZgpRoJTtOnahm0lUCiBkWkLcsikUluMY/qw==",
-      "license": "BSD-3-Clause"
+      "version": "1.0.0-rc.16",
+      "resolved": "https://registry.npmjs.org/@dylibso/xtp-bindgen/-/xtp-bindgen-1.0.0-rc.16.tgz",
+      "integrity": "sha512-qbv3tH7jpyq4p2czEGGwZudWByZUOttCeRXs2mnMZB+fNuW90W2FfqBHfdAijMABnhTII45AkmQHS3w/9SpSwg=="
     },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.19.12",
diff --git a/package.json b/package.json
index bd1786f..2a9adfa 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "typescript": "^5.3.2"
   },
   "dependencies": {
-    "@dylibso/xtp-bindgen": "1.0.0-rc.13",
+    "@dylibso/xtp-bindgen": "1.0.0-rc.16",
     "ejs": "^3.1.10"
   }
 }
diff --git a/src/index.ts b/src/index.ts
index c7e0ef8..fb0ede5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -30,6 +30,8 @@ function toPythonTypeX(type: XtpNormalizedType): string {
       return opt('str');
     case 'int32':
       return opt('int');
+    case 'int64':
+      return opt('int');
     case 'float':
       return opt('float');
     case 'double':
@@ -49,11 +51,15 @@ function toPythonTypeX(type: XtpNormalizedType): string {
       // TODO: improve typing of dicts
       return opt('dict');
     case 'object':
-      return opt(pythonTypeName((type as ObjectType).name));
+      const name = (type as ObjectType).name; 
+      if (!name) {
+        return opt('dict');
+      }
+      return opt(pythonTypeName(name));
     case 'enum':
       return opt(pythonTypeName((type as EnumType).name));
     default:
-      throw new Error("Can't convert XTP type to Python type: " + type)
+      throw new Error("Can't convert XTP type to Python type: " + JSON.stringify(type))
   }
 }