diff --git a/httpie/cli.py b/httpie/cli.py
index 10c98a85..36c86407 100644
--- a/httpie/cli.py
+++ b/httpie/cli.py
@@ -73,6 +73,7 @@ def _(text):
 
 
 parser = argparse.ArgumentParser(description=doc.strip(),)
+parser.add_argument('--version', action='version', version=version)
 
 # Content type.
 #############################################