diff --git a/requirements.txt b/requirements.txt
index 2f9cb2e829d253bc4564bd75d2750143b050a114..e597c60a826f4ff1664e76b9d873b2730e2ef625 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ pandas~=1.1.5
 setuptools~=57.0.0
 numpy~=1.19.5
 numba~=0.53.1
-scipy~=1.7.1
+scipy~=1.5.4