diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 78dcc99b6cf..bc021ccf184 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -36,7 +36,7 @@ jobs:
     timeout-minutes: 5
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: >-
@@ -105,7 +105,7 @@ jobs:
     timeout-minutes: 5
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Cache llhttp generated files
@@ -161,7 +161,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Setup Python ${{ matrix.pyver }}
@@ -260,7 +260,7 @@ jobs:
     timeout-minutes: 9
     steps:
     - name: Checkout project
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Setup Python 3.13.2
@@ -328,7 +328,7 @@ jobs:
     needs: pre-deploy
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Setup Python
@@ -395,7 +395,7 @@ jobs:
           musl: musllinux
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Set up QEMU
@@ -466,7 +466,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         submodules: true
     - name: Login
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 601d45a35ad..be954079132 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/update-pre-commit.yml b/.github/workflows/update-pre-commit.yml
index 85cd5cf4d8e..e2426524529 100644
--- a/.github/workflows/update-pre-commit.yml
+++ b/.github/workflows/update-pre-commit.yml
@@ -8,7 +8,7 @@ jobs:
     if: github.repository_owner == 'aiohttp'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/requirements/base.txt b/requirements/base.txt
index 3faddb12da8..2b4d315e33f 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -24,7 +24,7 @@ gunicorn==23.0.0
     # via -r requirements/base.in
 idna==3.6
     # via yarl
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 92c62c691d6..d4019dc6c6b 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -41,7 +41,7 @@ cffi==1.17.1
     #   pytest-codspeed
 cfgv==3.4.0
     # via pre-commit
-charset-normalizer==3.4.2
+charset-normalizer==3.4.3
     # via requests
 cherry-picker==2.5.0
     # via -r requirements/dev.in
@@ -52,7 +52,7 @@ click==8.1.8
     #   slotscheck
     #   towncrier
     #   wait-for-it
-coverage==7.10.2
+coverage==7.10.3
     # via
     #   -r requirements/test.in
     #   pytest-cov
@@ -86,7 +86,7 @@ gidgethub==5.4.0
     # via cherry-picker
 gunicorn==23.0.0
     # via -r requirements/base.in
-identify==2.6.12
+identify==2.6.13
     # via pre-commit
 idna==3.6
     # via
@@ -113,7 +113,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/multidict.in
     #   -r requirements/runtime-deps.in
diff --git a/requirements/cython.txt b/requirements/cython.txt
index 39257b77599..b80de4842de 100644
--- a/requirements/cython.txt
+++ b/requirements/cython.txt
@@ -6,7 +6,7 @@
 #
 cython==3.1.2
     # via -r requirements/cython.in
-multidict==6.6.3
-    # via -r /home/dependabot/dependabot-updater/tmp/20250715-1382-lngh7e/dependabot_20250715-1382-a7k872/requirements/multidict.in
+multidict==6.6.4
+    # via -r requirements/multidict.in
 typing-extensions==4.14.1
     # via multidict
diff --git a/requirements/dev.txt b/requirements/dev.txt
index af047b92626..687e8788b42 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -41,7 +41,7 @@ cffi==1.17.1
     #   pytest-codspeed
 cfgv==3.4.0
     # via pre-commit
-charset-normalizer==3.4.2
+charset-normalizer==3.4.3
     # via requests
 cherry-picker==2.5.0
     # via -r requirements/dev.in
@@ -52,7 +52,7 @@ click==8.1.8
     #   slotscheck
     #   towncrier
     #   wait-for-it
-coverage==7.10.2
+coverage==7.10.3
     # via
     #   -r requirements/test.in
     #   pytest-cov
@@ -84,7 +84,7 @@ gidgethub==5.4.0
     # via cherry-picker
 gunicorn==23.0.0
     # via -r requirements/base.in
-identify==2.6.12
+identify==2.6.13
     # via pre-commit
 idna==3.6
     # via
@@ -111,7 +111,7 @@ markupsafe==3.0.2
     # via jinja2
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
diff --git a/requirements/doc-spelling.txt b/requirements/doc-spelling.txt
index f5326b51507..6fe7bbc9f3d 100644
--- a/requirements/doc-spelling.txt
+++ b/requirements/doc-spelling.txt
@@ -12,7 +12,7 @@ babel==2.17.0
     # via sphinx
 certifi==2025.8.3
     # via requests
-charset-normalizer==3.4.2
+charset-normalizer==3.4.3
     # via requests
 click==8.1.8
     # via towncrier
diff --git a/requirements/doc.txt b/requirements/doc.txt
index e4f88bcda19..901551e0bf5 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -12,7 +12,7 @@ babel==2.17.0
     # via sphinx
 certifi==2025.8.3
     # via requests
-charset-normalizer==3.4.2
+charset-normalizer==3.4.3
     # via requests
 click==8.1.8
     # via towncrier
diff --git a/requirements/lint.txt b/requirements/lint.txt
index c0682c41460..175b73d2f64 100644
--- a/requirements/lint.txt
+++ b/requirements/lint.txt
@@ -33,7 +33,7 @@ forbiddenfruit==0.1.4
     # via blockbuster
 freezegun==1.5.4
     # via -r requirements/lint.in
-identify==2.6.12
+identify==2.6.13
     # via pre-commit
 idna==3.7
     # via trustme
diff --git a/requirements/multidict.txt b/requirements/multidict.txt
index 6f90d5c4c34..8330b558883 100644
--- a/requirements/multidict.txt
+++ b/requirements/multidict.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --allow-unsafe --output-file=requirements/multidict.txt --resolver=backtracking --strip-extras requirements/multidict.in
 #
-multidict==6.6.3
+multidict==6.6.4
     # via -r requirements/multidict.in
 typing-extensions==4.14.1
     # via multidict
diff --git a/requirements/runtime-deps.txt b/requirements/runtime-deps.txt
index 327fae9055b..3cbcc7e0f11 100644
--- a/requirements/runtime-deps.txt
+++ b/requirements/runtime-deps.txt
@@ -22,7 +22,7 @@ frozenlist==1.7.0
     #   aiosignal
 idna==3.6
     # via yarl
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl
diff --git a/requirements/test.txt b/requirements/test.txt
index 7bfa1c7a195..8a4a5388823 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -25,7 +25,7 @@ cffi==1.17.1
     #   pytest-codspeed
 click==8.1.8
     # via wait-for-it
-coverage==7.10.2
+coverage==7.10.3
     # via
     #   -r requirements/test.in
     #   pytest-cov
@@ -57,7 +57,7 @@ markdown-it-py==3.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   -r requirements/runtime-deps.in
     #   yarl