1 files changed, 2 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 374ac2c..5e00317 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,8 @@ passenv =
     PATH
     LD_LIBRARY_PATH
     TERM
+    RUSTUP_TOOLCHAIN
+    RUSTUP_HOME
 extras =
     test
 deps =