diff --git a/poetry.lock b/poetry.lock
index acf8e86..28e9a05 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3129,13 +3129,13 @@ pyasn1 = ">=0.1.3"
 
 [[package]]
 name = "ruamel-yaml"
-version = "0.18.3"
+version = "0.17.40"
 description = "ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order"
 optional = false
 python-versions = ">=3"
 files = [
-    {file = "ruamel.yaml-0.18.3-py3-none-any.whl", hash = "sha256:b5d119e1f9678cf90b58f64bbd2a4e78af76860ae39fab3e73323e622b462df9"},
-    {file = "ruamel.yaml-0.18.3.tar.gz", hash = "sha256:36dbbe90390d977f957436570d2bd540bfd600e6ec5a1ea42bcdb9fc7963d802"},
+    {file = "ruamel.yaml-0.17.40-py3-none-any.whl", hash = "sha256:b16b6c3816dff0a93dca12acf5e70afd089fa5acb80604afd1ffa8b465b7722c"},
+    {file = "ruamel.yaml-0.17.40.tar.gz", hash = "sha256:6024b986f06765d482b5b07e086cc4b4cd05dd22ddcbc758fa23d54873cf313d"},
 ]
 
 [package.dependencies]
@@ -4174,4 +4174,4 @@ jupyter = ["jupyter"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.11"
-content-hash = "9f7446e1d77b6e72285be7d112d6d02b93e4b0924281213fd1fed2fd78d63fd9"
+content-hash = "cb7b062eb2eb74c2cf18044d963d0863200be45fdaaf8b3e44ac160fc9fae43e"
diff --git a/pyproject.toml b/pyproject.toml
index b62e3d1..923a71a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ numpy = "1.26.3"  # Latest version (1.25.2) incompatible with numba
 plotly = ">=5.16.1,<6.0.0"
 protobuf = "^4.25.2"
 pyyaml = "6.0.1"
-"ruamel.yaml" = ">=0.17.40,<0.18.5"
+"ruamel.yaml" = ">=0.17.40,<0.18.0"
 sentencepiece = "^0.1.99"
 scipy = ">=1.11.2,<2.0.0"
 scikit-learn = "^1.3.0"