diff --git a/setup.py b/setup.py
index 24471f0eb..faeeae5eb 100644
--- a/setup.py
+++ b/setup.py
@@ -98,7 +98,7 @@
         "numpy",
         "pandas",
         "psutil",
-        "PyQt5==5.13",
+        "PyQt5==5.12.*",
         "pywin32; sys_platform == 'win32'",
         "requests",
         "scipy",