diff --git a/package.json b/package.json
index d51db93..dd56811 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
         "tap-diff": "0.1.1",
         "tape": "5.5.3",
         "nyc": "15.1.0",
-        "peggy": "1.2.0",
+        "peggy": "3.0.1",
         "rollup": "2.74.1"
     },
     "engines": {