diff --git a/package.json b/package.json
index ed119d92..61588b16 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "p-limit": "^3.0.0",
     "pify": "^5.0.0",
     "protobufjs": "~6.11.0",
-    "source-map": "^0.7.3",
+    "source-map": "~0.8.0-beta.0",
     "split": "^1.0.1"
   },
   "devDependencies": {