diff --git a/Python.gitignore b/Python.gitignore
index e0982a1a..72364f99 100644
--- a/Python.gitignore
+++ b/Python.gitignore
@@ -53,8 +53,9 @@ coverage.xml
 *.log
 local_settings.py
 
-# Flask instance folder
+# Flask stuff:
 instance/
+.webassets-cache
 
 # Scrapy stuff:
 .scrapy