diff --git a/.isort.cfg b/.isort.cfg
index ba2778dc..e3955e56 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -4,3 +4,4 @@ include_trailing_comma=True
 force_grid_wrap=0
 use_parentheses=True
 line_length=88
+known_first_party=datasette