diff --git a/package-lock.json b/package-lock.json
index 36de185..3b8d7ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1191,9 +1191,9 @@
       }
     },
     "@grpc/proto-loader": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.6.3.tgz",
-      "integrity": "sha512-AtMWwb7kY8DdtwIQh2hC4YFM1MzZ22lMA+gjbnCYDgICt14vX2tCa59bDrEjFyOI4LvORjpvT/UhHUdKvsX8og==",
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.6.4.tgz",
+      "integrity": "sha512-7xvDvW/vJEcmLUltCUGOgWRPM8Oofv0eCFSVMuKqaqWJaXSzmB+m9hiyqe34QofAl4WAzIKUZZlinIF9FOHyTQ==",
       "requires": {
         "@types/long": "^4.0.1",
         "lodash.camelcase": "^4.3.0",
diff --git a/package.json b/package.json
index 59ae1b4..aba4a0b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@babel/preset-env": "^7.14.5",
     "@babel/register": "^7.14.5",
     "@grpc/grpc-js": "^1.3.4",
-    "@grpc/proto-loader": "^0.6.3",
+    "@grpc/proto-loader": "^0.6.4",
     "bignumber.js": "^9.0.1",
     "bitcoinjs-lib": "^5.2.0",
     "bolt11": "^1.3.2",