diff --git a/requirements_dev.txt b/requirements_dev.txt
index 720501c621d6d62cecd3882e9ee9421894b17cdc..efcf58849fe1d0903f69f5e049dd6a958df9f0e8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,3 +4,5 @@ flake8-docstrings
 mypy
 pandas
 pytest
+biopython
+bedtools