diff --git a/package-lock.json b/package-lock.json
index 3f01eab..2f476bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
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-        "@cerbos/grpc": "^0.16.0",
+        "@cerbos/grpc": "^0.18.0",
         "@cerbos/http": "^0.19.0",
         "fastify": "^5.0.0",
         "fastify-plugin": "^5.0.0"
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       "resolved": "https://registry.npmjs.org/@cerbos/core/-/core-0.16.0.tgz",
@@ -470,19 +475,41 @@
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-      "resolved": "https://registry.npmjs.org/@cerbos/grpc/-/grpc-0.16.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@cerbos/grpc/-/grpc-0.18.3.tgz",
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-        "@grpc/grpc-js": "^1.10.1",
-        "long": "^5.2.3",
-        "protobufjs": "^7.2.6"
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+      },
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+      }
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+      "resolved": "https://registry.npmjs.org/@cerbos/core/-/core-0.18.1.tgz",
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         "node": ">= 18"
       }
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+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-10.0.0.tgz",
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+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "bin": {
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@@ -673,25 +700,25 @@
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-        "@types/node": ">=12.12.47"
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+        "node": ">=12.10.0"
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-      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.7.10.tgz",
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+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.7.13.tgz",
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-        "protobufjs": "^7.2.4",
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@@ -894,6 +921,15 @@
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       }
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+      "resolved": "https://registry.npmjs.org/@js-sdsl/ordered-map/-/ordered-map-4.4.2.tgz",
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+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/js-sdsl"
+      }
+    },
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@@ -1030,9 +1066,12 @@
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+      "dependencies": {
+        "undici-types": "~6.19.2"
+      }
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@@ -5198,9 +5237,9 @@
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-      "integrity": "sha512-dgJaEDDL6x8ASUZ1YqWciTRrdOuYNzoOf27oHNfdyvKqHr5i0FV7FSLU+aIeFjyFgVxrpTOtQUi0BLLBymZaBw==",
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+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.4.0.tgz",
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@@ -8270,6 +8309,11 @@
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@@ -8896,6 +8940,11 @@
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       "dev": true
     },
+    "@bufbuild/protobuf": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@bufbuild/protobuf/-/protobuf-2.2.0.tgz",
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+    },
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       "version": "0.16.0",
       "resolved": "https://registry.npmjs.org/@cerbos/core/-/core-0.16.0.tgz",
@@ -8905,14 +8954,28 @@
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-      "resolved": "https://registry.npmjs.org/@cerbos/grpc/-/grpc-0.16.0.tgz",
-      "integrity": "sha512-BdnEK235QJNibf6EUtefIMdM8nNeUcwsk4V1nHe5nfkFgVPHtrjsMA4YV8aX45URcRImA5WkN0t3ZspCt9L4wg==",
+      "version": "0.18.3",
+      "resolved": "https://registry.npmjs.org/@cerbos/grpc/-/grpc-0.18.3.tgz",
+      "integrity": "sha512-xQL8fV8Q1bGqDVp+pK/lmlBlMsOrakexDxATxLqswkJ39FiiVBUbPrQbkZeE1NRS/NUo+lTn8tYzCqzCbwSEjQ==",
       "requires": {
-        "@cerbos/core": "^0.16.0",
-        "@grpc/grpc-js": "^1.10.1",
-        "long": "^5.2.3",
-        "protobufjs": "^7.2.6"
+        "@bufbuild/protobuf": "^2.1.0",
+        "@cerbos/core": "^0.18.1",
+        "@grpc/grpc-js": "^1.11.3"
+      },
+      "dependencies": {
+        "@cerbos/core": {
+          "version": "0.18.1",
+          "resolved": "https://registry.npmjs.org/@cerbos/core/-/core-0.18.1.tgz",
+          "integrity": "sha512-TIL0LKt8wWLJOX0XxpyNpLUepYlIZp7N19nLfASQ7wEMUgUnELjIEd5nYs9jGWdXOClgKz3VyIkWlpiqPtZfAQ==",
+          "requires": {
+            "uuid": "^10.0.0"
+          }
+        },
+        "uuid": {
+          "version": "10.0.0",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-10.0.0.tgz",
+          "integrity": "sha512-8XkAphELsDnEGrDxUOHB3RGvXz6TeuYSGEZBOjtTtPm2lwhGBjLgOzLHB63IUWfBpNucQjND6d3AOudO+H3RWQ=="
+        }
       }
     },
     "@cerbos/http": {
@@ -9053,22 +9116,22 @@
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-      "resolved": "https://registry.npmjs.org/@grpc/grpc-js/-/grpc-js-1.10.1.tgz",
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+      "version": "1.12.2",
+      "resolved": "https://registry.npmjs.org/@grpc/grpc-js/-/grpc-js-1.12.2.tgz",
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       "requires": {
-        "@grpc/proto-loader": "^0.7.8",
-        "@types/node": ">=12.12.47"
+        "@grpc/proto-loader": "^0.7.13",
+        "@js-sdsl/ordered-map": "^4.4.2"
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     "@grpc/proto-loader": {
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-      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.7.10.tgz",
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+      "version": "0.7.13",
+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.7.13.tgz",
+      "integrity": "sha512-AiXO/bfe9bmxBjxxtYxFAXGZvMaN5s8kO+jBHAJCON8rJoB5YS/D6X7ZNc6XQkuHNmyl4CYaMI1fJ/Gn27RGGw==",
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         "long": "^5.0.0",
-        "protobufjs": "^7.2.4",
+        "protobufjs": "^7.2.5",
         "yargs": "^17.7.2"
       }
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@@ -9211,6 +9274,11 @@
         "@jridgewell/sourcemap-codec": "1.4.14"
       }
     },
+    "@js-sdsl/ordered-map": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/@js-sdsl/ordered-map/-/ordered-map-4.4.2.tgz",
+      "integrity": "sha512-iUKgm52T8HOE/makSxjqoWhe95ZJA1/G1sYsGev2JDKUSS14KAgg1LHb+Ba+IPow0xflbnSkOsZcO08C7w1gYw=="
+    },
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       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -9319,9 +9387,12 @@
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
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+      "version": "22.7.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.5.tgz",
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+      "requires": {
+        "undici-types": "~6.19.2"
+      }
     },
     "@typescript-eslint/eslint-plugin": {
       "version": "8.6.0",
@@ -12205,9 +12276,9 @@
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-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.6.tgz",
-      "integrity": "sha512-dgJaEDDL6x8ASUZ1YqWciTRrdOuYNzoOf27oHNfdyvKqHr5i0FV7FSLU+aIeFjyFgVxrpTOtQUi0BLLBymZaBw==",
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+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.4.0.tgz",
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@@ -14243,6 +14314,11 @@
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       "dev": true
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+    "undici-types": {
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="
+    },
     "unicode-length": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/unicode-length/-/unicode-length-2.1.0.tgz",
diff --git a/package.json b/package.json
index e8a92f0..f6ae3ff 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "MIT",
   "dependencies": {
     "@cerbos/core": "^0.16.0",
-    "@cerbos/grpc": "^0.16.0",
+    "@cerbos/grpc": "^0.18.0",
     "@cerbos/http": "^0.19.0",
     "fastify": "^5.0.0",
     "fastify-plugin": "^5.0.0"