diff --git a/package.json b/package.json
index 293884af..b598ac62 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "ISC",
   "dependencies": {
     "@grpc/grpc-js": "^1.2.2",
-    "@grpc/proto-loader": "^0.5.1",
+    "@grpc/proto-loader": "^0.5.5",
     "axios": "^0.20.0",
     "basic-auth": "^2.0.0",
     "big.js": "^5.2.2",
diff --git a/yarn.lock b/yarn.lock
index 1bf42849..1de687fb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -266,10 +266,10 @@
     google-auth-library "^6.1.1"
     semver "^6.2.0"
 
-"@grpc/proto-loader@^0.5.1":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@grpc/proto-loader/-/proto-loader-0.5.2.tgz#c84f83be962f518bc303ca2d5e6ef2239439786c"
-  integrity sha512-eBKD/FPxQoY1x6QONW2nBd54QUEyzcFP9FenujmoeDPy1rutVSHki1s/wR68F6O1QfCNDx+ayBH1O2CVNMzyyw==
+"@grpc/proto-loader@^0.5.5":
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/@grpc/proto-loader/-/proto-loader-0.5.5.tgz#6725e7a1827bdf8e92e29fbf4e9ef0203c0906a9"
+  integrity sha512-WwN9jVNdHRQoOBo9FDH7qU+mgfjPc8GygPYms3M+y3fbQLfnCe/Kv/E01t7JRgnrsOHH8euvSbed3mIalXhwqQ==
   dependencies:
     lodash.camelcase "^4.3.0"
     protobufjs "^6.8.6"