diff --git a/packages/api/Cargo.toml b/packages/api/Cargo.toml
index 5989316a..fbc7f863 100644
--- a/packages/api/Cargo.toml
+++ b/packages/api/Cargo.toml
@@ -20,7 +20,7 @@ wasmer = { version = "2.1.1", default-features = false, features = ["wat", "univ
 wasmer-engines = { path = "../engines/" }
 wasmer-types = "2.1.1"
 wasmer-wasi = "2.1.1"
-pyo3 = { version = "0.14", features = ["extension-module", "auto-initialize"] }
+pyo3 = { version = "0.19", features = ["extension-module", "auto-initialize"] }
 wat = "1.0"
 wasmprinter = "0.2"
 cfg-if = "1.0"