diff --git a/Cargo.lock b/Cargo.lock
index 4b5bce4..4c9cb6a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -290,9 +290,12 @@ dependencies = [
 
 [[package]]
 name = "roxmltree"
-version = "0.20.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c20b6793b5c2fa6553b250154b78d6d0db37e72700ae35fad9387a46f487c97"
+checksum = "963e3e7a0795e975f0a57b8a3caf100a2d4ced3758a5d18e6bd6b9aea854f53f"
+dependencies = [
+ "memchr",
+]
 
 [[package]]
 name = "rustversion"
diff --git a/Cargo.toml b/Cargo.toml
index c40e6ce..127325e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ anyhow = "1.0.100"
 chrono = "0.4.41"
 prelude-xml-parser = { version = "0.9.2", features = ["python"] }
 pyo3 = { version = "0.26.0", features = ["extension-module"] }
-roxmltree = "0.20.0"
+roxmltree = "0.21.0"
 serde = { version = "1.0.228", features = ["derive"] }
 serde-xml-rs = "0.8.1"
 thiserror = "2.0.17"