diff --git a/src/bwip-js.d.ts b/src/bwip-js.d.ts
index b68b9cb..9aeae8d 100644
--- a/src/bwip-js.d.ts
+++ b/src/bwip-js.d.ts
@@ -83,6 +83,7 @@ declare namespace BwipJs {
         paddingright?: number | undefined;
         paddingtop?: number | undefined;
         paddingbottom?: number | undefined;
+        padding?: number | undefined;
 
         monochrome?: boolean | undefined;
         sizelimit?: number | undefined;