diff --git a/pytest.ini b/pytest.ini
index c381e07061..730658a778 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -3,6 +3,8 @@
 addopts = --durations=30 -ra
 testpaths = lib/spack/spack/test
 python_files = *.py
+filterwarnings =
+  ignore::UserWarning
 markers =
   db: tests that require creating a DB
   maybeslow: tests that may be slow (e.g. access a lot the filesystem, etc.)