diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 302b879e1c1f1..742bdbea3023d 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -132,6 +132,9 @@
 /mlir/**/Transforms/Mem2Reg.* @moxinilian
 /mlir/**/Transforms/SROA.* @moxinilian
 
+# MLIR IRDL-related
+/mlir/**/*IRDL* @moxinilian
+
 # BOLT
 /bolt/ @aaupov @maksfb @rafaelauler @ayermolo @yota9 @paschalis-mpeis @yozhu