diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..b92c053
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,9 @@
+version: 2
+updates:
+  # Keep GitHub Actions (e.g. astral-sh/setup-uv) on their latest releases.
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "Chore"
diff --git a/.github/workflows/python-checks.yml b/.github/workflows/python-checks.yml
index 7bc1058..5347819 100644
--- a/.github/workflows/python-checks.yml
+++ b/.github/workflows/python-checks.yml
@@ -25,7 +25,7 @@ jobs:
         python-version: "3.11"
 
     - name: Install uv
-      run: pip install --upgrade pip uv
+      uses: astral-sh/setup-uv@v10.3.0
 
     - name: Install dependencies
       run: uv sync --dev
@@ -61,10 +61,9 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-        allow-prereleases: true
 
     - name: Install uv
-      run: pip install --upgrade pip uv
+      uses: astral-sh/setup-uv@v10.3.0
 
     - name: Install dependencies
       run: uv sync --dev
diff --git a/.python-version b/.python-version
index 6324d40..230693c 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.14
+3.15
\ No newline at end of file
diff --git a/AGENTS.md b/AGENTS.md
index af2fc90..a00acbd 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -324,10 +324,11 @@ if user.id not in context.state.admin_ids:
 ## CI/CD
 
 - **GitHub Actions**: `.github/workflows/python-checks.yml`
-- **Matrix**: Python 3.11, 3.12, 3.13, 3.14
+- **Matrix**: Python 3.11, 3.12, 3.13, 3.14, 3.15 (3.15 stable since the 3.15.0 final, 2026-10-09 — no `allow-prereleases` needed)
+- **uv**: installed via `astral-sh/setup-uv` (not `pip install uv`)
 - **Steps**: ruff → mypy → pytest (lint job always; test job runs when Python files changed)
 - **Mypy config**: Pragmatic, in `pyproject.toml [tool.mypy]`. Disables noisy error codes from aiogram / SQLModel / Pydantic v2 (`arg-type`, `attr-defined`, `index`, `union-attr`, `misc`, `return-value`, `call-arg`). New code should remain free of these errors
-- **Docker**: Multi-stage build with `uv`, non-root user, 512MB limit
+- **Docker**: Multi-stage build with `uv`, non-root user, 512MB limit. Base image is `python:3.15-slim`; bump `.python-version` together with the Dockerfile since `uv sync` resolves its interpreter from it
 
 ## Where to Look (Plugin System)
 
@@ -364,3 +365,4 @@ if user.id not in context.state.admin_ids:
 ## Policy
 
 - Never mention AI usage, code generation tools, or automated assistance in commit messages, PR descriptions, code comments, or documentation
+- PR titles and descriptions are written in English
diff --git a/Dockerfile b/Dockerfile
index 77b4718..a5bea8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14-slim
+FROM python:3.15-slim
 
 LABEL maintainer="PythonID Bot"
 LABEL description="Telegram bot for group profile monitoring"