diff --git a/handwritten/bigquery-storage/package.json b/handwritten/bigquery-storage/package.json
index 83a62a5ed7bd..ffe71fc4cc4f 100644
--- a/handwritten/bigquery-storage/package.json
+++ b/handwritten/bigquery-storage/package.json
@@ -41,7 +41,7 @@
     "long": "^5.2.0"
   },
   "peerDependencies": {
-    "protobufjs": "7.2.4 - 7.5.0"
+    "protobufjs": "7.5.5 7.5.5"
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^8.0.0",
diff --git a/handwritten/cloud-profiler/package.json b/handwritten/cloud-profiler/package.json
index 7c019a6f9940..6ac34652d5b5 100644
--- a/handwritten/cloud-profiler/package.json
+++ b/handwritten/cloud-profiler/package.json
@@ -43,7 +43,7 @@
     "ms": "^2.1.3",
     "pprof": "4.0.0",
     "pretty-ms": "^7.0.0",
-    "protobufjs": "~7.4.0",
+    "protobufjs": "~7.5.5",
     "semver": "^7.0.0",
     "teeny-request": "^9.0.0"
   },