diff --git a/setup.cfg b/setup.cfg
index 88bdbbd2a..00b8e1ec4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -98,10 +98,15 @@ azure =
 gdrive = pydrive2[fsspec]>=1.9.4
 gs = gcsfs>=2021.11.1
 hdfs =
+    # due to https://github.com/python-poetry/poetry/issues/4683, we have to
+    # explicitly specify pyarrow here
+    pyarrow>=1
     fsspec[arrow]
 oss = ossfs>=2021.8.0
 s3 = s3fs[boto3]>=2021.11.1
 ssh =
+    # due to https://github.com/python-poetry/poetry/issues/4683, we have to
+    # explicitly specify bcrypt here
     bcrypt
     sshfs[bcrypt]>=2021.11.2
 # gssapi should not be included in all_remotes, because it doesn't have wheels