diff --git a/requirements.txt b/requirements.txt
index 45c754a..a3076c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ matplotlib==3.8.2
   python-dateutil==2.8.2
     six==1.16.0
 mpmath==1.3.0
-  gmpy2>=2.1.5 --pre
+  gmpy2>2.1.5 --pre
 pandas==2.1.3
   numpy==1.26.2
   python-dateutil==2.8.2