diff --git a/python/ray/scripts/scripts.py b/python/ray/scripts/scripts.py
index b17192a6e..f6365df51 100644
--- a/python/ray/scripts/scripts.py
+++ b/python/ray/scripts/scripts.py
@@ -751,7 +751,7 @@ workers=$(
 for worker in $workers; do
     echo "Stack dump for $worker";
     pid=`echo $worker | awk '{print $2}'`;
-    sudo $pyspy --pid $pid --dump;
+    sudo $pyspy dump --pid $pid;
     echo;
 done
     """
diff --git a/python/setup.py b/python/setup.py
index d34c356b0..395eb2e2b 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -73,7 +73,7 @@ extras = {
     "rllib": [
         "pyyaml", "gym[atari]", "opencv-python-headless", "lz4", "scipy"
     ],
-    "debug": ["psutil", "setproctitle", "py-spy"],
+    "debug": ["psutil", "setproctitle", "py-spy >= 0.2.0"],
     "dashboard": ["aiohttp", "psutil", "setproctitle"],
     "serve": ["uvicorn", "pygments", "werkzeug"],
 }