diff --git a/poetry.lock b/poetry.lock
index 8b195f0..973dc14 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1973,5 +1973,5 @@ train = ["seqeval"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = ">=3.8,<=3.12"
-content-hash = "969d04a97fd7c63d88111d8012679319f53745415c2a5a5a5d6e63025c9f93f5"
+python-versions = ">=3.8,<3.13"
+content-hash = "cf65114b9f4ed6da63c6b4350934df5c8f33ac965784f97778a6fd580795d71b"
diff --git a/pyproject.toml b/pyproject.toml
index 4efe780..eaec510 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ documentation = "https://github.com/kasi-x/bunkai.git"
 keywords = ["Japanese", "Sentence boundary disambiguation"]
 
 [tool.poetry.dependencies]
-python = ">=3.8,<=3.12"
+python = ">=3.8,<3.13"
 dataclasses-json = ">=0.5.2"
 janome = ">=0.4.1"
 seqeval = {version = ">=1.2.2", optional = true}