diff --git a/packages/grpc/package.json b/packages/grpc/package.json
index 30b68d4f..981c7180 100644
--- a/packages/grpc/package.json
+++ b/packages/grpc/package.json
@@ -49,7 +49,7 @@
     "server-side"
   ],
   "dependencies": {
-    "@bufbuild/protobuf": "^2.0.0",
+    "@bufbuild/protobuf": "^2.1.0",
     "@cerbos/core": "^0.18.1",
     "@grpc/grpc-js": "^1.11.2"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1ae6a623..b17c790e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -91,8 +91,8 @@ importers:
   packages/grpc:
     dependencies:
       '@bufbuild/protobuf':
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^2.1.0
+        version: 2.1.0
       '@cerbos/core':
         specifier: ^0.18.1
         version: link:../core
@@ -307,6 +307,9 @@ packages:
   '@bufbuild/protobuf@2.0.0':
     resolution: {integrity: sha512-sw2JhwJyvyL0zlhG61aDzOVryEfJg2PDZFSV7i7IdC7nAE41WuXCru3QWLGiP87At0BMzKOoKO/FqEGoKygGZQ==}
 
+  '@bufbuild/protobuf@2.1.0':
+    resolution: {integrity: sha512-+2Mx67Y3skJ4NCD/qNSdBJNWtu6x6Qr53jeNg+QcwiL6mt0wK+3jwHH2x1p7xaYH6Ve2JKOVn0OxU35WsmqI9A==}
+
   '@colors/colors@1.5.0':
     resolution: {integrity: sha512-ooWCrlZP11i8GImSjTHYHLkvFDP48nS4+204nGb1RiX/WXYHmJA2III9/e2DWVabCESdW7hBAEzHRqUn9OUVvQ==}
     engines: {node: '>=0.1.90'}
@@ -2946,6 +2949,8 @@ snapshots:
 
   '@bufbuild/protobuf@2.0.0': {}
 
+  '@bufbuild/protobuf@2.1.0': {}
+
   '@colors/colors@1.5.0':
     optional: true
 
@@ -5314,11 +5319,11 @@ snapshots:
 
   ts-proto-descriptors@2.0.0:
     dependencies:
-      '@bufbuild/protobuf': 2.0.0
+      '@bufbuild/protobuf': 2.1.0
 
   ts-proto@2.2.0:
     dependencies:
-      '@bufbuild/protobuf': 2.0.0
+      '@bufbuild/protobuf': 2.1.0
       case-anything: 2.1.13
       ts-poet: 6.9.0
       ts-proto-descriptors: 2.0.0