diff --git a/pyproject.toml b/pyproject.toml
index 4c6d6e4..8c49a1c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -97,7 +97,7 @@ lint = ["ruff==0.15.21", "codespell==2.4.2", "zizmor==1.26.1"]
 # Continuous performance testing (bench/test_benchmarks.py, run by CodSpeed).
 codspeed = [{ include-group = "test" }, "pytest-codspeed==5.0.3"]
 # Comparison libraries used only by the one-off bench/bench.py report.
-bench = ["pyyaml==6.0.3", "ruamel.yaml==0.19.1", "yamlium==0.2.5"]
+bench = ["pyyaml==6.0.3", "ruamel.yaml==0.19.1", "yamlium==0.3.0"]
 # Renders the cross-library comparison charts (just charts) into the docs assets.
 # Adds the wider field (Rust-backed ryaml/py-yaml12/yaml_rs, the ordered and strict
 # pure-Python parsers) that only bench/compare.py needs, plus matplotlib.
diff --git a/uv.lock b/uv.lock
index a2a8d66..3111992 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1181,11 +1181,11 @@ wheels = [
 
 [[package]]
 name = "yamlium"
-version = "0.2.5"
+version = "0.3.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/e1/a2/e2ea2309b38923906aa27549001b3382b3d83c25c866bb702f0f41f5117a/yamlium-0.2.5.tar.gz", hash = "sha256:4e72b1978d27a069d1eb01300c93239e77b13c26cf14a38b5819e0002f90d9aa", size = 98864, upload-time = "2026-05-25T09:43:27.104Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/b4/f2/f2a19eba02f055302f7c5bd13c9665d03820508557ee3257546c56326f62/yamlium-0.3.0.tar.gz", hash = "sha256:8874e04d9b2273e200c7170dcab6e4a958dcfd6549f5a86259c8ef32788403cf", size = 100626, upload-time = "2026-07-10T13:57:53.633Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2a/dd/3eb51739116cbc489f773e1cdb91481c3478d7325576095b920e62c1c3c2/yamlium-0.2.5-py3-none-any.whl", hash = "sha256:2ab3e88ebe148fd95f53a9299398bb8c98af3340b26d2ed666c414b56f68e642", size = 21719, upload-time = "2026-05-25T09:43:25.609Z" },
+    { url = "https://files.pythonhosted.org/packages/75/6e/6e657e4b61d15aaeca83dc7dcc11edf5cbea7b849130ef84573d5b179d7c/yamlium-0.3.0-py3-none-any.whl", hash = "sha256:bdf968a08fb88ab22d787afa0200c989953eec6d7c8bc218df61b618a62f74d4", size = 22649, upload-time = "2026-07-10T13:57:52.324Z" },
 ]
 
 [[package]]
@@ -1277,7 +1277,7 @@ typing = [
 bench = [
     { name = "pyyaml", specifier = "==6.0.3" },
     { name = "ruamel-yaml", specifier = "==0.19.1" },
-    { name = "yamlium", specifier = "==0.2.5" },
+    { name = "yamlium", specifier = "==0.3.0" },
 ]
 build = [{ name = "maturin", specifier = "==1.14.1" }]
 charts = [
@@ -1290,7 +1290,7 @@ charts = [
     { name = "ryaml", specifier = "==0.5.1" },
     { name = "strictyaml", specifier = "==1.7.3" },
     { name = "yaml-rs", specifier = "==0.1.6" },
-    { name = "yamlium", specifier = "==0.2.5" },
+    { name = "yamlium", specifier = "==0.3.0" },
 ]
 codspeed = [
     { name = "pytest", specifier = "==9.1.1" },