diff --git a/tests/conftest.py b/tests/conftest.py
index 10b149b..3f282f5 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -109,6 +109,7 @@ def install(self, *args):
                 "pip",
                 "install",
                 "--disable-pip-version-check",
+                "--extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple",
                 "--find-links",
                 str(self.wheelhouse),
                 "--cache-dir",
@@ -129,6 +130,7 @@ def wheel(self, package_dir, *args):
                     "pip",
                     "wheel",
                     "--disable-pip-version-check",
+                    "--extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple",
                     "--no-deps",
                     "--wheel-dir",
                     package_dir,