diff --git a/WORKSPACE b/WORKSPACE
index 93700300..cf69f7f5 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -18,11 +18,13 @@ load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
 
 protobuf_deps()
 
-# Force rules_python at a bleeding edge version (for pip3_import).
+# Force rules_python at a bleeding edge version (for setuptools >44).
+rules_python_version = "929d5a13d4eb1b930086d9353fc6f2d6ad306e43"
 http_archive(
     name = "rules_python",
-    url = "https://github.com/bazelbuild/rules_python/releases/download/0.0.3/rules_python-0.0.3.tar.gz",
-    sha256 = "e46612e9bb0dae8745de6a0643be69e8665a03f63163ac6610c210e80d14c3e4",
+    strip_prefix = "rules_python-{}".format(rules_python_version),
+    url = "https://github.com/bazelbuild/rules_python/archive/{}.zip".format(rules_python_version),
+    sha256 = "b590e4fc07ec842b8cc8a39a4ca0336f44d7d5f96753229d240884cd016dc1e3",
 )
 
 # Download Go/Gazelle rules
@@ -47,24 +49,17 @@ http_archive(
 # Python rules
 # Important: rules_python must be loaded before protobuf (and grpc) because they load an older version otherwise
 load("@rules_python//python:repositories.bzl", "py_repositories")
-
 py_repositories()
 
 load("@rules_python//python:pip.bzl", "pip_repositories")
-
 pip_repositories()
 
-load("@rules_python//python:pip.bzl", "pip3_import")
-
-pip3_import(
+load("@rules_python//python:pip.bzl", "pip_install")
+pip_install(
     name = "pydeps",
     requirements = "//third_party/py:requirements.txt",
 )
 
-load("@pydeps//:requirements.bzl", "pip_install")
-
-pip_install()
-
 # Setup Go toolchain.
 load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains")
 go_register_toolchains()
diff --git a/third_party/py/requirements.txt b/third_party/py/requirements.txt
index 1a50c93e..df0da453 100644
--- a/third_party/py/requirements.txt
+++ b/third_party/py/requirements.txt
@@ -15,7 +15,6 @@ Django==2.2.3
 fabric==2.4.0
 Flask==1.1.1
 Flask-Login==0.4.1
-Flask-OAuthlib==0.9.5
 Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2
 future==0.17.1
@@ -27,13 +26,13 @@ invoke==1.2.0
 itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
-oauthlib==2.1.0
+oauthlib==3.1.1
 paramiko==2.4.2
 psycopg2==2.8.5
 pyasn1==0.4.5
 pycparser==2.19
-PyNaCl==1.3.0
 pyelftools==0.26
+PyNaCl==1.3.0
 python-dateutil==2.8.0
 pytz==2019.1
 requests==2.22.0
@@ -44,3 +43,5 @@ sqlparse==0.3.0
 urllib3==1.25.3
 Werkzeug==0.15.5
 WTForms==2.2.1
+zope.event==4.5.0
+zope.interface==5.4.0