diff --git a/config/system-headers.mozbuild b/config/system-headers.mozbuild
index f1c61ccc52cf..635ad37e04e8 100644
--- a/config/system-headers.mozbuild
+++ b/config/system-headers.mozbuild
@@ -1030,7 +1030,9 @@ system_headers = [
     "aom/aom_image.h",
     "aom/aomdx.h",
     "aom/aomcx.h",
+    "aom/aom_codec.h",
     "aom/aom_decoder.h",
+    "aom/aom_encoder.h",
 ]
 
 if CONFIG["MOZ_X11"]: