diff --git a/requirements.txt b/requirements.txt
index 2e9a1dcb..618f9cb7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1 @@
-csv-diff
-
+https://github.com/simonw/csv-diff/archive/33e0a5918283c02a339a1fb507fc7a9cda89a198.zip