diff --git a/update.py b/update.py
index 7dc2af9..b2e2d2b 100755
--- a/update.py
+++ b/update.py
@@ -17,7 +17,7 @@ def build_images():
     for image in images:
         path = Path('../images').joinpath(image)
 
-        call(['docker', 'build', '--no-cache', f'--tag={image}:{today}', '.'],
+        call(['docker', 'build', '--no-cache', f'--tag={image}-panthera:{today}', '.'],
                cwd=path)