diff --git a/packages/engines/Cargo.toml b/packages/engines/Cargo.toml
index 1f005f3e..e7085eae 100644
--- a/packages/engines/Cargo.toml
+++ b/packages/engines/Cargo.toml
@@ -13,5 +13,5 @@ publish = false
 [dependencies]
 wasmer = { version = "2.1.1", default-features = false, features = ["wat", "universal", "dylib", "compiler"] }
 wasmer-compiler = "2.1.1"
-pyo3 = { version = "0.14", features = ["extension-module"] }
+pyo3 = { version = "0.19", features = ["extension-module"] }
 enumset = "1.0.6"