diff --git a/packages/protons-benchmark/package.json b/packages/protons-benchmark/package.json
index f96798a..4eaebdf 100644
--- a/packages/protons-benchmark/package.json
+++ b/packages/protons-benchmark/package.json
@@ -56,7 +56,7 @@
     "aegir": "^47.0.5",
     "benchmark": "^2.1.4",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.0.0",
+    "protobufjs": "^8.0.0",
     "protons": "^7.0.0",
     "protons-runtime": "^5.0.0",
     "uint8arraylist": "^2.4.3"
diff --git a/packages/protons/package.json b/packages/protons/package.json
index 8bc3120..153267b 100644
--- a/packages/protons/package.json
+++ b/packages/protons/package.json
@@ -58,7 +58,7 @@
     "aegir": "^47.0.5",
     "long": "^5.2.0",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.0.0",
+    "protobufjs": "^8.0.0",
     "uint8arraylist": "^2.4.3",
     "uint8arrays": "^5.0.1"
   }