diff --git a/packages/protons-benchmark/package.json b/packages/protons-benchmark/package.json
index d82f639..f0f670f 100644
--- a/packages/protons-benchmark/package.json
+++ b/packages/protons-benchmark/package.json
@@ -24,7 +24,7 @@
     "aegir": "^47.0.26",
     "benchmark": "^2.1.4",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.5.4",
+    "protobufjs": "^8.0.1",
     "protons": "^8.0.0",
     "protons-runtime": "^6.0.0",
     "uint8arraylist": "^2.4.8"
diff --git a/packages/protons/package.json b/packages/protons/package.json
index 4772f37..5c36224 100644
--- a/packages/protons/package.json
+++ b/packages/protons/package.json
@@ -145,7 +145,7 @@
     "it-all": "^3.0.9",
     "long": "^5.3.2",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.5.4",
+    "protobufjs": "^8.0.1",
     "uint8arraylist": "^2.4.8",
     "uint8arrays": "^5.1.0"
   }