diff --git a/.github/workflows/backend-py.yml b/.github/workflows/backend-py.yml
index 449a6c6..b71c932 100644
--- a/.github/workflows/backend-py.yml
+++ b/.github/workflows/backend-py.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.13"
 
       - uses: "./.github/actions/setup-test"
 
diff --git a/backend-py/Dockerfile b/backend-py/Dockerfile
index 6df0505..cd3d1a9 100644
--- a/backend-py/Dockerfile
+++ b/backend-py/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim as backend-py
+FROM python:3.13-slim as backend-py
 
 RUN apt update && \
   apt install -y python3-dev gcc libpq-dev
diff --git a/backend-py/requirements.txt b/backend-py/requirements.txt
index 5a5629c..015cf12 100644
--- a/backend-py/requirements.txt
+++ b/backend-py/requirements.txt
@@ -7,7 +7,7 @@ flake8==4.0.1
 Flask==2.0.3
 Flask-Cors==3.0.10
 Flask-SQLAlchemy==2.5.1
-greenlet==1.1.2
+greenlet==3.5.6
 idna==3.3
 iniconfig==1.1.1
 itsdangerous==2.1.0
@@ -19,7 +19,7 @@ packaging==21.3
 pathspec==0.9.0
 platformdirs==2.5.1
 pluggy==1.0.0
-psycopg2==2.9.3
+psycopg2==2.9.13
 py==1.11.0
 pycodestyle==2.8.0
 pyflakes==2.4.0