diff --git a/setup.cfg b/setup.cfg
index 42ab74e5..1b3499fe 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,8 +27,7 @@ install_requires =
     pandas
     scikit-image
     scipy
-    symfit
-    sympy==1.5.1
+    symfit>=0.5.5
     torch
     tqdm
     typer