diff --git a/docs/build/inferencing.md b/docs/build/inferencing.md
index 72e5e0aac4..eac08e76c6 100644
--- a/docs/build/inferencing.md
+++ b/docs/build/inferencing.md
@@ -300,8 +300,8 @@ This option is very fast and allows the package to be built in minutes, but is c
 
 2. Get a pre-compiled protoc:
 
-   Get this from https://github.com/protocolbuffers/protobuf/releases/download/v3.11.2/protoc-3.11.2-linux-x86_64.zip and unzip after downloading.
-   The version must match the one onnxruntime is using. Currently we are using 3.11.2.
+   Get this from https://github.com/protocolbuffers/protobuf/releases/download/v3.18.1/protoc-3.18.1-linux-x86_64.zip and unzip after downloading.
+   The version must match the one onnxruntime is using. Currently we are using 3.18.1.
 
 3. (Optional) Setup sysroot to enable python extension. *Skip if not using Python.*