diff --git a/requirements.txt b/requirements.txt
index f82648d..d45abb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy >= 1.17.0
-scipy >= 1.5.3
+scipy >= 1.5.2
 matplotlib >= 3.2.1
 Pillow >= 2.0.0
 pytest >= 4.3.1
diff --git a/setup.py b/setup.py
index ae33a24..f3c3c9a 100644
--- a/setup.py
+++ b/setup.py
@@ -113,7 +113,7 @@ setup(
         'build_py': BuildPy,
     },
     install_requires=[
-        'scipy >= 1.5.3',
+        'scipy >= 1.5.2',
         'numpy >= 1.17.0',
         'matplotlib >= 3.2.1',
         'Pillow >= 2.0.0',