diff --git a/Dockerfile b/Dockerfile
index 76d12dce6..dbcd009e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.9.19
 
 RUN apt-get update && apt-get install -y gcc build-essential && rm -rf /var/lib/apt/lists/*
 
diff --git a/poetry.lock b/poetry.lock
index 1d1f9a3a2..b87c14da1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1851,13 +1851,13 @@ testing = ["Django", "attrs", "colorama", "docopt", "pytest (<7.0.0)"]
 
 [[package]]
 name = "jinja2"
-version = "3.1.3"
+version = "3.1.4"
 description = "A very fast and expressive template engine."
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "Jinja2-3.1.3-py3-none-any.whl", hash = "sha256:7d6d50dd97d52cbc355597bd845fabfbac3f551e1f99619e39a35ce8c370b5fa"},
-    {file = "Jinja2-3.1.3.tar.gz", hash = "sha256:ac8bd6544d4bb2c9792bf3a159e80bba8fda7f07e81bc3aed565432d5925ba90"},
+    {file = "jinja2-3.1.4-py3-none-any.whl", hash = "sha256:bc5dd2abb727a5319567b7a813e6a2e7318c39f4f487cfe6c89c6f9c7d25197d"},
+    {file = "jinja2-3.1.4.tar.gz", hash = "sha256:4a3aee7acbbe7303aede8e9648d13b8bf88a429282aa6122a993f0ac800cb369"},
 ]
 
 [package.dependencies]
@@ -3650,5 +3650,5 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.10"
-content-hash = "dcf5a88020b86cffb38b905e24f9c2c3b0e92a3dc12ced64a15ded2dab5792ff"
+python-versions = "3.9.19"
+content-hash = "80dd4a450b9843adb688385f4c0c1643b67f7db40e2b924e971f6047849c2c4d"
diff --git a/pyproject.toml b/pyproject.toml
index cb3e59cd0..aea980445 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ readme = "README.md"
 package-mode = false
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "3.9.19"
 django = "2.2.17"
 django-oauth-toolkit = "1.0.0"
 django-cors-middleware = "1.5.0"
@@ -66,6 +66,7 @@ pytest = "6.2.1"
 pytest-django = "4.1.0"
 pytest-pythonpath = "0.7.3"
 selenium = "3.141.0"
+jinja2 = "3.1.4"
 
 [build-system]
 requires = ["poetry-core"]