diff --git a/setup.py b/setup.py
index 86a1c8afd7e90b0788d8ad1c15ef2573c9ef4e56..ab959735cf174e711d9a39e7a8d27d3c485e6c4d 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ setup(name='lclayout',
           'klayout>=0.27.3',  # GPLv3, minimum of 0.27.3 because of case-sensitive netlists.
           'numpy==1.*',  # BSD
           'networkx==2.*',  # BSD
-          'scipy>=1.5.*',  # BSD
+          'scipy>=1.5.0',  # BSD
           'liberty-parser>=0.0.10',  # GPLv3
           'pysmt==0.9.*',  # Apache-2.0
           'z3-solver==4.8.*'  #