From 7425bebb6c5e699ea590c2bdc270bbb2779a2197 Mon Sep 17 00:00:00 2001
From: Xinyuan Tong <115166877+JustinTong0323@users.noreply.github.com>
Date: Fri, 5 Jun 2026 01:43:36 +0100
Subject: [PATCH] docs(cookbook): restore Gemma 4 transformers commit pin
 (#27321)

---
 docs_new/cookbook/autoregressive/Google/Gemma4.mdx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs_new/cookbook/autoregressive/Google/Gemma4.mdx b/docs_new/cookbook/autoregressive/Google/Gemma4.mdx
index 97f8b6c71..b8bd13879 100644
--- a/docs_new/cookbook/autoregressive/Google/Gemma4.mdx
+++ b/docs_new/cookbook/autoregressive/Google/Gemma4.mdx
@@ -67,11 +67,14 @@ Gemma 4 is Google's next-generation family of open models, building on the Gemma
 
 ## 2. SGLang Installation
 
-Gemma 4 (including the encoder-free unified 12B, [sgl-project/sglang#27167](https://github.com/sgl-project/sglang/pull/27167)) is supported on SGLang main:
+Gemma 4 (including the encoder-free unified 12B, [sgl-project/sglang#27167](https://github.com/sgl-project/sglang/pull/27167)) is supported on SGLang main. Install it together with the matching transformers commit:
 
 ```bash Command
 # Install SGLang from main
 pip install 'git+https://github.com/sgl-project/sglang.git#subdirectory=python'
+
+# Install transformers with Gemma 4 support (encoder-free unified family included)
+pip install 'git+https://github.com/huggingface/transformers.git@1423d22f7a3b62e8c70ad67b58ec25cd9b675897'
 ```
 
 ### Docker (prebuilt dev image)