diff --git a/poetry.lock b/poetry.lock
index ee147b77..77e1c692 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2875,4 +2875,4 @@ dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "<3.13,>=3.10"
-content-hash = "319b4f2fc5e9cba11f389fa4b63078d03308ddc50ad730942ac04f7389659cfe"
+content-hash = "9db494beed7ff30b077c1cf440c978117de33f1001f78538e98f26e2333641e0"
diff --git a/pyproject.toml b/pyproject.toml
index ede3ccf1..387d3b77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ matplotlib = ">=3.9.0"
 numpy = "^1.26.4"
 pandas = ">=2.2.2"
 setuptools = ">=70.1.0"
-demoparser2 = ">=0.31.0"
+demoparser2 = ">=0.27.0"
 tqdm = "^4.66.4"
 usd-core = "^24.8"
 scipy = "^1.14.0"