diff --git a/dev.py b/dev.py
index 2d8d9c8..cd13cf5 100644
--- a/dev.py
+++ b/dev.py
@@ -7,13 +7,9 @@ root_dir = sys.path[0]
 
 
 def devupdate(args):
-    with subprocess.Popen(
-            [sys.executable, '-m', 'pip', 'install', '-r',
-             os.path.join(root_dir, 'dev-python-requirements.txt'), ],
-            stdout=subprocess.PIPE, stderr=subprocess.STDOUT, bufsize=1,
-            universal_newlines=True) as pip:
-        for line in pip.stdout:
-            print(line, end='', flush=True)
+    subprocess.run(
+        [sys.executable, '-m', 'pip', 'install', '-r',
+         os.path.join(root_dir, 'dev-python-requirements.txt'), ])
 
 
 def run(args):