diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 0f9364fd2..146c66241 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -76,3 +76,9 @@
 /benchmark/prefill_only/bench_score.py @sundar24295s @chanh @fortunecookiee
 /test/srt/ascend @ping1jing2 @iforgetmyname
 /test/srt/test_modelopt* @Edwardf0t1
+/python/sglang/srt/layers/gemma4_fused_ops.py @merrymercy @Ying1123 @Fridge003 @ispobock @HaiShaw @ch-wan @BBuf @Edwardf0t1 @kpham-sgl
+/python/sglang/srt/function_call/gemma4_detector.py @CatherineSue @JustinTong0323 @kpham-sgl
+/python/sglang/srt/models/gemma4_*.py @kpham-sgl
+/python/sglang/srt/multimodal/processors/gemma4.py @mickqian @JustinTong0323 @yhyang201 @yuan-luo @kpham-sgl
+/docs_new/cookbook/autoregressive/Google/Gemma4.mdx @wisclmy0611 @zijiexia @Richardczl98 @kpham-sgl
+/docs_new/src/snippets/autoregressive/gemma4-deployment.jsx @wisclmy0611 @zijiexia @Richardczl98 @kpham-sgl