diff --git a/tests/test_requirements.txt b/tests/test_requirements.txt
index aa4dc6a3ab8..fbb878cd6c7 100644
--- a/tests/test_requirements.txt
+++ b/tests/test_requirements.txt
@@ -12,7 +12,7 @@ nose~=1.3.7
 pandas~=1.1.2
 pytest~=5.2
 requests~=2.20.0
-scipy~=1.5.4
+scipy~=1.5.3
 sympy~=1.5
 pyqt5~=5.15.2
 netCDF4~=1.5.3