diff --git a/.gitignore b/.gitignore
index c0245ed0..74262816 100644
--- a/.gitignore
+++ b/.gitignore
@@ -149,7 +149,7 @@ Gemfile*
 .jekyll-cache
 
 # series files
-*/data/
+/**/data/
 
 # nbdev
 nbs/_docs