diff --git a/Cargo.toml b/Cargo.toml
index b4ce60df..cd02ca1c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ authors = [
 description = "A console XMPP client"
 
 [dependencies]
-pyo3 = { version = "0.16", features = ["extension-module"] }
+pyo3 = { version = "0.17", features = ["extension-module"] }
 nom = "7.1"
 chrono = "0.4"
 ncurses = "5"