diff --git a/Cargo.lock b/Cargo.lock
index cbf49f1..6a46f8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -901,7 +901,7 @@ dependencies = [
 
 [[package]]
 name = "ro-crate-rs"
-version = "0.4.5"
+version = "0.4.6"
 dependencies = [
  "chrono",
  "rand",
diff --git a/Cargo.toml b/Cargo.toml
index 71c284c..d37f5a7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ro-crate-rs"
-version = "0.4.5"
+version = "0.4.6"
 edition = "2021"
 repository = "https://github.com/intbio-ncl/ro-crate-rs"
 authors = ["Matt Burridge <m.burridge1@newcastle.ac.uk>"]
diff --git a/python/Cargo.toml b/python/Cargo.toml
index 3d8c97e..3c20aae 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rocraters-python"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 authors = ["Matt Burridge <m.burridge1@newcastle.ac.uk>"]
 description = "Lightweight Python library for RO-Crate manipulation implemented in Rust"