diff --git a/Project.toml b/Project.toml
index 8907f01..3ab37f7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ LinearAlgebra = "1.10"
 PythonCall = "0.9"
 SparseArrays = "1.1"
 SpecialFunctions = "0.8, 0.9, 0.10, 1.0, 2"
-SymPyCore = ">=0.2.11"
+SymPyCore = "0.2.11,0.3"
 TermInterface = "2"
 julia = "1.10"