diff --git a/Cargo.toml b/Cargo.toml
index 3759f31..cbfa5b8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ro-crate-rs"
-version = "0.4.2"
+version = "0.4.4"
 edition = "2021"
 repository = "https://github.com/intbio-ncl/ro-crate-rs"
 authors = ["Matt Burridge <m.burridge1@newcastle.ac.uk>"]