diff --git a/apps/backend/pyproject.toml b/apps/backend/pyproject.toml
index 52312c6a..13618f02 100644
--- a/apps/backend/pyproject.toml
+++ b/apps/backend/pyproject.toml
@@ -38,8 +38,8 @@ test = [
   "pytest>=8.3.0",
 ]
 dev = [
-  "mypy==2.3.1",
-  "ruff==0.16.8",
+  "mypy==2.4.0",
+  "ruff==0.17.1",
 ]
 
 [tool.setuptools.packages.find]
diff --git a/apps/backend/requirements-dev.txt b/apps/backend/requirements-dev.txt
index 6b09ff09..b4ea6901 100644
--- a/apps/backend/requirements-dev.txt
+++ b/apps/backend/requirements-dev.txt
@@ -3,14 +3,14 @@
 # toolchain so CI and local dev can run pytest. The runtime image installs
 # only requirements.txt; pytest must never ship in runtime dependencies (issue #185).
 -r requirements.txt
-ast-serialize==0.11.2
-coverage==7.16.1
-iniconfig==2.3.0
-librt==0.15.0
-mypy==2.3.1
+ast-serialize==0.13.0
+coverage==7.16.2
+iniconfig==2.3.1
+librt==0.16.0
+mypy==2.4.0
 mypy_extensions==1.1.0
 pathspec==1.1.1
-pluggy==1.6.0
+pluggy==1.7.0
 pytest==9.1.1
 pytest-cov==7.1.0
-ruff==0.16.8
+ruff==0.17.1
diff --git a/apps/backend/requirements.txt b/apps/backend/requirements.txt
index 3b032725..1f2ac06f 100644
--- a/apps/backend/requirements.txt
+++ b/apps/backend/requirements.txt
@@ -15,60 +15,60 @@ argon2-cffi-bindings==26.1.0
 asn1crypto==1.5.1
 certifi==2026.7.22
 cffi==2.1.1
-charset-normalizer==3.5.1
+charset-normalizer==3.5.2
 click==8.5.0
 colorama==0.4.6
-cryptography==50.0.1
+cryptography==50.0.2
 cssselect2==0.10.1
-dnspython==2.8.0
+dnspython==2.9.0
 email-validator==2.3.0
-fastapi==0.141.1
+fastapi==0.143.2
 greenlet==3.5.6
 h11==0.16.0
 html5lib==1.1
 httpcore==1.0.9
-httptools==0.8.0
+httptools==0.9.0
 httpx==0.28.1
 idna==3.20
 lxml==6.1.3
 Mako==1.4.3
-MarkupSafe==3.0.3
+MarkupSafe==3.0.4
 oscrypto==1.3.0
 packaging==26.3
 pillow==12.3.0
 psycopg-binary==3.3.6
 psycopg==3.3.6
-pycparser==3.0
-pydantic-settings==2.15.0
-pydantic==2.13.5
+pycparser==3.11
+pydantic-settings==2.16.0
+pydantic==2.14.1
 pydantic_core==2.46.5
 Pygments==2.21.0
 pyhanko-certvalidator==0.32.1
 pyHanko==0.37.0
-PyJWT==2.14.0
-pypdf==6.19.0
+PyJWT==2.15.1
+pypdf==6.20.1
 python-bidi==0.6.11
-python-dotenv==1.2.3
+python-dotenv==1.2.4
 python-multipart==0.0.32
 PyYAML==6.0.3
 redis==8.1.0
 reportlab==4.5.1
 requests==2.34.2
 six==1.17.0
-SQLAlchemy==2.0.54
-starlette==1.6.0
-svglib==2.2.0
+SQLAlchemy==2.1.4
+starlette==1.8.0
+svglib==2.3.0
 tinycss2==1.5.1
 tree-sitter==0.26.0
 tree-sitter-typescript==0.23.2
 typing-inspection==0.4.4
 typing_extensions==4.16.0
-tzdata==2026.4
+tzdata==2026.5
 tzlocal==5.4.4
 uritools==6.1.3
 urllib3==2.8.0
-uvicorn==0.53.0
+uvicorn==0.54.0
 watchfiles==1.3.0
 webencodings==0.6.1
-websockets==17.1
-xhtml2pdf==0.2.20
+websockets==17.2
+xhtml2pdf==0.2.24