diff --git a/site/src/utils/templateVersion.ts b/site/src/utils/templateVersion.ts
index 67eb18805a7c0..36d88af3b2bbc 100644
--- a/site/src/utils/templateVersion.ts
+++ b/site/src/utils/templateVersion.ts
@@ -23,7 +23,7 @@ export const getTemplateVersionFiles = async (
   return files
 }
 
-export const allowedExtensions = ["tf", "md", "Dockerfile"]
+export const allowedExtensions = ["tf", "md", "Dockerfile", "protobuf"]
 
 export const isAllowedFile = (name: string) => {
   return allowedExtensions.some((ext) => name.endsWith(ext))