diff --git a/tox.ini b/tox.ini
index ea2df3a..acbbce5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,9 @@ deps =
     py38: setuptools<74
 allowlist_externals =
     /bin/rm
+    /usr/bin/rm
     /bin/sh
+    /usr/bin/sh
     /usr/bin/git
 conda_channels =
     conda-forge
@@ -25,6 +27,6 @@ commands_pre =
     sh -c "cd helmholtz && make libhelmholtz.a libeosfxt.a"
 commands =
     sh -c "cd helmholtz && make"
-    pytest --cov=helmeos tests/
+    pytest --cov=helmeos --cov-report=xml tests/
 commands_post =
     rm -rf helmholtz