diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index d4eaafb95..8be55150c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ on:
       - "src/backend/**"
 
 env:
-  POETRY_VERSION: "1.7.0"
+  POETRY_VERSION: "1.8.2"
 
 jobs:
   lint:
@@ -22,7 +22,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
     steps:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 10ab9b324..629633f23 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ on:
       - "src/backend/**"
 
 env:
-  POETRY_VERSION: "1.5.0"
+  POETRY_VERSION: "1.8.2"
 
 jobs:
   build:
diff --git a/deploy/base.Dockerfile b/deploy/base.Dockerfile
index 323663283..58fae3dab 100644
--- a/deploy/base.Dockerfile
+++ b/deploy/base.Dockerfile
@@ -23,7 +23,7 @@ ENV PYTHONUNBUFFERED=1 \
     \
     # poetry
     # https://python-poetry.org/docs/configuration/#using-environment-variables
-    POETRY_VERSION=1.5.1 \
+    POETRY_VERSION=1.8.2 \
     # make poetry install to this location
     POETRY_HOME="/opt/poetry" \
     # make poetry create the virtual environment in the project's root