diff --git a/example/updown.py b/example/updown.py
index d0572490..e088648e 100644
--- a/example/updown.py
+++ b/example/updown.py
@@ -94,7 +94,7 @@ def main():
                 else:
                     print(name, 'exists with different stats, downloading')
                     res = download(dbx, folder, subfolder, name)
-                    with open(fullname) as f:
+                    with open(fullname, 'rb') as f:
                         data = f.read()
                     if res == data:
                         print(name, 'is already synced [content match]')
diff --git a/requirements.txt b/requirements.txt
index d95ccf41..bebcdc16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 # Dependencies required for installation (keep in sync with setup.py)
-requests<2.30
-urllib3<2
+requests>=2.16.2
 six >= 1.12.0
 stone>=2,<3.3.3
 # Other dependencies for development
diff --git a/setup.py b/setup.py
index 79304fc2..7255a450 100644
--- a/setup.py
+++ b/setup.py
@@ -25,8 +25,7 @@
 version = eval(line.split('=', 1)[1].strip())  # pylint: disable=eval-used
 
 install_reqs = [
-    'requests<2.30',
-    'urllib3<2',
+    'requests>=2.16.2',
     'six >= 1.12.0',
     'stone>=2,<3.3.3',
 ]