diff --git a/.github/workflows/actions/install_dependencies/action.yml b/.github/workflows/actions/install_dependencies/action.yml
index 29234ee..0d70dca 100644
--- a/.github/workflows/actions/install_dependencies/action.yml
+++ b/.github/workflows/actions/install_dependencies/action.yml
@@ -8,7 +8,7 @@ inputs:
   poetry_version:
     required: true
     type: string
-    default: "1.5.1"
+    default: "1.8.3"
 
 runs:
   using: composite
diff --git a/Dockerfile.external b/Dockerfile.external
index 3e2530e..0a6a3ef 100644
--- a/Dockerfile.external
+++ b/Dockerfile.external
@@ -3,7 +3,7 @@ FROM python:3.11.6-slim-bookworm as base
 # Install poetry
 RUN pip install pipx
 RUN python3 -m pipx ensurepath
-RUN pipx install poetry
+RUN pipx install poetry==1.8.3
 ENV PATH="/root/.local/bin:$PATH"
 ENV PATH=".venv/bin/:$PATH"
 
diff --git a/Dockerfile.local b/Dockerfile.local
index 980a9b0..b38d6a6 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -5,7 +5,7 @@ FROM python:3.11.6-slim-bookworm as base
 # Install poetry
 RUN pip install pipx
 RUN python3 -m pipx ensurepath
-RUN pipx install poetry
+RUN pipx install poetry==1.8.3
 ENV PATH="/root/.local/bin:$PATH"
 ENV PATH=".venv/bin/:$PATH"
 
diff --git a/fern/docs/pages/installation/installation.mdx b/fern/docs/pages/installation/installation.mdx
index b5a8e5c..f7457b3 100644
--- a/fern/docs/pages/installation/installation.mdx
+++ b/fern/docs/pages/installation/installation.mdx
@@ -28,6 +28,11 @@ pyenv local 3.11
 Install [Poetry](https://python-poetry.org/docs/#installing-with-the-official-installer) for dependency management:
 Follow the instructions on the official Poetry website to install it.
 
+<Callout intent="warning">
+A bug exists in Poetry versions 1.7.0 and earlier. We strongly recommend upgrading to a tested version.
+To upgrade Poetry to latest tested version, run `poetry self update 1.8.3` after installing it.
+</Callout>
+
 ### 4. Optional: Install `make`
 To run various scripts, you need to install `make`. Follow the instructions for your operating system:
 #### macOS