diff --git a/system/requirements.txt b/system/requirements.txt
index 39b43f156..3d4be24f8 100644
--- a/system/requirements.txt
+++ b/system/requirements.txt
@@ -1,5 +1,5 @@
 boto
-requests==2.28.2
+requests
 requests-unixsocket
 python-swiftclient
 flake8
diff --git a/system/t12_api/unix_socket.py b/system/t12_api/unix_socket.py
index b14fe9465..49bd4442f 100644
--- a/system/t12_api/unix_socket.py
+++ b/system/t12_api/unix_socket.py
@@ -34,7 +34,8 @@ def run(self):
     """
     def check(self):
         session = requests_unixsocket.Session()
-        r = session.get('http+unix://%s/api/version' % urllib.parse.quote(UnixSocketAPITest.socket_path, safe=''))
+        parsed = urllib.parse.quote(self.socket_path, safe='')
+        r = session.get(f'http+unix://{parsed}/api/version')
         # Just needs to come back, we actually don't care much about the code.
         # Only needs to verify that the socket is actually responding.
         self.check_equal(r.json(), {'Version': os.environ['APTLY_VERSION']})