diff --git a/requirements.txt b/requirements.txt
index 1540bc402cb607c21354b146459371c904ad2b69..2fd94d50a0505442d2fbdbd98fc6db4f7a6277f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ dataset==1.3.1
 Jinja2==2.11.2
 sh==1.12.14
 pre-commit==2.12.1
+greenlet==1.1.3