diff --git a/setup.py b/setup.py
index 846a44f..56d7321 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name='twtxt',
-    version='1.0.0',
+    version='1.0.1',
 
     url='https://github.com/buckket/twtxt',
 
diff --git a/twtxt/helper.py b/twtxt/helper.py
index 35f4fa0..c7d20df 100644
--- a/twtxt/helper.py
+++ b/twtxt/helper.py
@@ -65,4 +65,4 @@ def run_post_tweet_hook(hook, options):
     except KeyError:
         click.echo("✗ Invalid variables in post_tweet_hook.")
         return False
-    subprocess.run(command, shell=True, stdout=subprocess.PIPE)
+    subprocess.call(command, shell=True, stdout=subprocess.PIPE)