diff --git a/requirements.txt b/requirements.txt
index 70cf5bc..19390fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,9 @@ pytest==5.1.1
 scipy==1.5.2
 black==19.3b0
 flake8==3.7.7
+gffutils==0.9
+numpy==1.17.5
+requests==2.20.0
+setuptools==40.4.3
+setuptools_scm==3.1.0
+tables==3.4.2
\ No newline at end of file