diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1e82569..744a783 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -34,10 +34,10 @@ jobs:
       - name: Install poetry
         run: pipx install poetry
 
-      - name: Setup Python 3.12
+      - name: Setup Python 3.12.4
         uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.12.4
           cache: 'poetry'
 
       - name: Install Requirements
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b395298..e82298b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,4 +27,4 @@ repos:
         args: ["--profile", "black", --line-length=79]
 
 default_language_version:
-  python: python3.12
+  python: python3.12.4
diff --git a/poetry.lock b/poetry.lock
index 748c59e..135196b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2007,13 +2007,13 @@ notebook = "*"
 
 [[package]]
 name = "jupyter-client"
-version = "8.6.2"
+version = "8.6.3"
 description = "Jupyter protocol implementation and client libraries"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "jupyter_client-8.6.2-py3-none-any.whl", hash = "sha256:50cbc5c66fd1b8f65ecb66bc490ab73217993632809b6e505687de18e9dea39f"},
-    {file = "jupyter_client-8.6.2.tar.gz", hash = "sha256:2bda14d55ee5ba58552a8c53ae43d215ad9868853489213f37da060ced54d8df"},
+    {file = "jupyter_client-8.6.3-py3-none-any.whl", hash = "sha256:e8a19cc986cc45905ac3362915f410f3af85424b4c0905e94fa5f2cb08e8f23f"},
+    {file = "jupyter_client-8.6.3.tar.gz", hash = "sha256:35b3a0947c4a6e9d589eb97d7d4cd5e90f910ee73101611f01283732bd6d9419"},
 ]
 
 [package.dependencies]
diff --git a/pyproject.toml b/pyproject.toml
index f772d0a..0366edd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ line-length = 79
 target_version = ['py312']
 
 [tool.poetry.dependencies]
-python = "3.12"
+python = "3.12.4"
 poetry = "1.8.1"
 vyper = "0.4.0"
 titanoboa = { git = "https://github.com/vyperlang/titanoboa.git", branch = "master" }