diff --git a/pyproject.toml b/pyproject.toml
index 661c97a..3953330 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,8 +36,8 @@ dependencies = [
     "web3==7.11.0",
     "solana>=0.33.0",
     "solders>=0.19.0",
-    "neo-mamba>=3.0.1; python_version < '3.14'",
-
+    "neo-mamba>=3.0.1,<3.2.0; python_version < '3.14'",
+    "neo-mamba>=3.2.0; python_version == '3.14'",
     # Crypto PowerData dependencies
     "ccxt>=4.0.0",
     "numpy>=1.26.0",