diff --git a/packaging/torchaudio/meta.yaml b/packaging/torchaudio/meta.yaml
index ca45c59368..a29e8c331f 100644
--- a/packaging/torchaudio/meta.yaml
+++ b/packaging/torchaudio/meta.yaml
@@ -27,6 +27,8 @@ requirements:
 
 build:
   string: py{{py}}
+  script_env:
+    - BUILD_VERSION
 
 test:
   imports: