diff --git a/Cargo.toml b/Cargo.toml
index 3f87d48..14d159d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ serde = { version = "^1.0", features = ["derive"] }
 serde_json = { version = "^1.0" }
 pyo3 = { version = "0.21.2", features = ["auto-initialize"] }
 
-miniscript = { version = "11.0", features = ["serde"], optional = true }
+miniscript = { version = "12.0", features = ["serde"], optional = true }
 
 [dev-dependencies]
 serial_test = "0.6.0"