diff --git a/cuda_pathfinder/pyproject.toml b/cuda_pathfinder/pyproject.toml
index c18c204db2..32540d9bb5 100644
--- a/cuda_pathfinder/pyproject.toml
+++ b/cuda_pathfinder/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = []
 [dependency-groups]
 test = [
     "pytest>=6.2.4",
+    "pytest-randomly",
 ]
 # Internal organization of test dependencies.
 cu12 = [