diff --git a/instant-distance-py/Cargo.toml b/instant-distance-py/Cargo.toml
index 530c8af..c42ff1e 100644
--- a/instant-distance-py/Cargo.toml
+++ b/instant-distance-py/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "instant-distance-py"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Dirkjan Ochtman <dirkjan@ochtman.nl>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"