diff --git a/.gitignore b/.gitignore
index b43b2b0b..76f1c484 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,7 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 *,cover
+prof/
 
 # Translations
 *.mo
diff --git a/pyproject.toml b/pyproject.toml
index bc2f7cc2..95df8ce5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ doc = [
     "nbsphinx-link"
 ]
 "dev" = ["tox"]
-"test" = ["tox", "pytest", "pytest-cov"]
+"test" = ["tox", "pytest", "pytest-cov", "pytest-profiling"]
 "pyscf" = ["pyscf>=1.6.1"]
 
 [tool.black]