diff --git a/Dockerfile b/Dockerfile
index 4d90989..7c66849 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ WORKDIR /app
 ENV POETRY_VIRTUALENVS_CREATE=false
 
 RUN pip install pipx==1.3.3 --user --no-cache
-RUN pipx install poetry==1.7.1
+RUN pipx install poetry==1.8.5
 
 COPY [ "poetry.toml", "poetry.lock", "pyproject.toml", "./" ]