diff --git a/noxfile.py b/noxfile.py
index 116b26fb..c3ef165c 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -110,8 +110,7 @@ def system(session):
     # Install all test dependencies, then install this package into the
     # virtualenv's dist-packages.
     session.install("mock", "pytest")
-
-    session.install("-e", "test_utils")
+    session.install("git+https://github.com/googleapis/python-test-utils")
     session.install("-e", ".[pandas,storage]")
 
     # Run py.test against the system tests.
@@ -139,7 +138,7 @@ def docs(session):
     """Build the docs for this library."""
 
     session.install("-e", ".[pandas,storage]")
-    session.install("sphinx", "alabaster", "recommonmark")
+    session.install("sphinx<3.0.0", "alabaster", "recommonmark")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(