diff --git a/tox.ini b/tox.ini
index a4583b0..8b1a25f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,6 +19,9 @@ passenv =
     SNOWFLAKE_DATABASE
     SNOWFLAKE_WAREHOUSE
     SNOWFLAKE_SCHEMA
+    BIGQUERY_KEYFILE_JSON
+    BIGQUERY_PROJECT
+    BIGQUERY_SCHEMA
 
 # run dbt commands directly, assumes dbt is already installed in environment
 [testenv:dbt_integration_redshift]