diff --git a/.changeset/honest-keys-protect.md b/.changeset/honest-keys-protect.md
new file mode 100644
index 000000000..de6235918
--- /dev/null
+++ b/.changeset/honest-keys-protect.md
@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+Add protobuf to common binary formats
diff --git a/packages/open-next/src/adapters/binary.ts b/packages/open-next/src/adapters/binary.ts
index 1b599022e..cd305da87 100644
--- a/packages/open-next/src/adapters/binary.ts
+++ b/packages/open-next/src/adapters/binary.ts
@@ -54,6 +54,8 @@ const commonBinaryMimeTypes = new Set([
   "application/x-tar",
   "application/x-zip",
   "application/zip",
+  // Serialized data
+  "application/x-protobuf",
 ]);
 
 export function isBinaryContentType(contentType?: string | null) {
diff --git a/packages/utils/src/binary.ts b/packages/utils/src/binary.ts
index 1b599022e..cd305da87 100644
--- a/packages/utils/src/binary.ts
+++ b/packages/utils/src/binary.ts
@@ -54,6 +54,8 @@ const commonBinaryMimeTypes = new Set([
   "application/x-tar",
   "application/x-zip",
   "application/zip",
+  // Serialized data
+  "application/x-protobuf",
 ]);
 
 export function isBinaryContentType(contentType?: string | null) {