diff --git a/crates/napi/src/bindgen_runtime/js_values/bigint.rs b/crates/napi/src/bindgen_runtime/js_values/bigint.rs
index 3149c2e9..cf96a6c9 100644
--- a/crates/napi/src/bindgen_runtime/js_values/bigint.rs
+++ b/crates/napi/src/bindgen_runtime/js_values/bigint.rs
@@ -208,3 +208,12 @@ impl ToNapiValue for isize {
     Ok(raw_value)
   }
 }
+
+impl From<u64> for BigInt {
+  fn from(val: u64) -> Self {
+    BigInt {
+      sign_bit: false,
+      words: vec![val],
+    }
+  }
+}