diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index fd8d9b1..e09e516 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,8 +1,8 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.177.0/containers/python-3/.devcontainer/base.Dockerfile
 
 # [Choice] Python version: 3, 3.9, 3.8, 3.7, 3.6
-ARG VARIANT="3.11"
-FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
+ARG VARIANT="3.12"
+FROM mcr.microsoft.com/vscode/devcontainers/python:1-${VARIANT}
 
 # [Option] Install Node.js
 ARG INSTALL_NODE="true"
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 5f9ab7c..1fa0ab5 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -4,7 +4,7 @@
     "dockerfile": "Dockerfile",
     "context": "..",
     "args": {
-      "VARIANT": "3.11",
+      "VARIANT": "3.12",
       "INSTALL_NODE": "true",
       "NODE_VERSION": "lts/*"
     }
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09e011a..a164466 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - uses: pre-commit/action@v3.0.1
 
   # Make sure commit messages follow the conventional commits convention:
@@ -40,7 +40,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.11"
           - "3.12"
           - "3.13"
         os:
@@ -85,14 +84,14 @@ jobs:
 
       # Do a dry run of PSR
       - name: Test release
-        uses: chemelli74/python-semantic-release@3.11
+        uses: python-semantic-release/python-semantic-release@v9.12.0
         if: github.ref_name != 'main'
         with:
           root_options: --noop
 
       # On main branch: actual PSR + upload to PyPI & GitHub
       - name: Release
-        uses: chemelli74/python-semantic-release@3.11
+        uses: python-semantic-release/python-semantic-release@v9.12.0
         id: release
         if: github.ref_name == 'main'
         with:
diff --git a/mypy.ini b/mypy.ini
index dd0daf9..b4fd82c 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.11
+python_version = 3.12
 show_error_codes = true
 follow_imports = silent
 ignore_missing_imports = true
diff --git a/poetry.lock b/poetry.lock
index 4a50cef..a4c9f8c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -763,5 +763,5 @@ propcache = ">=0.2.0"
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.11"
-content-hash = "519b4fe376e896d165edd1e4f95cb1d83dace0e157064b7e3548d2dc8b9852c3"
+python-versions = "^3.12"
+content-hash = "a9aa87f492c8c71a8af70bcdf1303fb6b5d7d416c8b34966a7b7e50cf50c5baa"
diff --git a/pyproject.toml b/pyproject.toml
index 2b667cd..73b9572 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ packages = [
 "Changelog" = "https://github.com/chemelli74/aiovodafone/blob/main/CHANGELOG.md"
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = "^3.12"
 aiohttp = "*"
 beautifulsoup4 = "*"