diff --git a/requirements.txt b/requirements.txt
index e114e01..6417b5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 aiohttp[speedups]
 biopython
 pytest
-pytest-asyncio
\ No newline at end of file
+pytest-asyncio
+build
\ No newline at end of file