diff --git a/requirements/base-ft.txt b/requirements/base-ft.txt
index 15c562571be..5c1e43c5bda 100644
--- a/requirements/base-ft.txt
+++ b/requirements/base-ft.txt
@@ -42,7 +42,7 @@ typing-extensions==4.15.0
     # via
     #   aiosignal
     #   multidict
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zstandard==0.25.0 ; platform_python_implementation == "CPython" and python_version < "3.14"
     # via -r requirements/runtime-deps.in
diff --git a/requirements/base.txt b/requirements/base.txt
index 8414db41eab..ec4c8e4e6f8 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -44,7 +44,7 @@ typing-extensions==4.15.0
     #   multidict
 uvloop==0.21.0 ; platform_system != "Windows" and implementation_name == "cpython"
     # via -r requirements/base.in
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zstandard==0.25.0 ; platform_python_implementation == "CPython" and python_version < "3.14"
     # via -r requirements/runtime-deps.in
diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 66a9451e632..f067c0e30ab 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -32,7 +32,7 @@ brotli==1.1.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
 build==1.3.0
     # via pip-tools
-certifi==2025.8.3
+certifi==2025.10.5
     # via requests
 cffi==2.0.0
     # via
@@ -293,7 +293,7 @@ wait-for-it==2.3.0
     # via -r requirements/test-common.in
 wheel==0.46.0
     # via pip-tools
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zlib-ng==1.0.0
     # via
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 67ee1808222..4afc488c8f8 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -32,7 +32,7 @@ brotli==1.1.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
 build==1.3.0
     # via pip-tools
-certifi==2025.8.3
+certifi==2025.10.5
     # via requests
 cffi==2.0.0
     # via
@@ -284,7 +284,7 @@ wait-for-it==2.3.0
     # via -r requirements/test-common.in
 wheel==0.46.0
     # via pip-tools
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zlib-ng==1.0.0
     # via
diff --git a/requirements/doc-spelling.txt b/requirements/doc-spelling.txt
index 33290cb8e08..3c5f0f4048e 100644
--- a/requirements/doc-spelling.txt
+++ b/requirements/doc-spelling.txt
@@ -10,7 +10,7 @@ alabaster==1.0.0
     # via sphinx
 babel==2.17.0
     # via sphinx
-certifi==2025.8.3
+certifi==2025.10.5
     # via requests
 charset-normalizer==3.4.3
     # via requests
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 9f7048ed453..1c6738f8613 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -10,7 +10,7 @@ alabaster==1.0.0
     # via sphinx
 babel==2.17.0
     # via sphinx
-certifi==2025.8.3
+certifi==2025.10.5
     # via requests
 charset-normalizer==3.4.3
     # via requests
diff --git a/requirements/runtime-deps.txt b/requirements/runtime-deps.txt
index 78b83942ae0..de0e7181da5 100644
--- a/requirements/runtime-deps.txt
+++ b/requirements/runtime-deps.txt
@@ -38,7 +38,7 @@ typing-extensions==4.15.0
     # via
     #   aiosignal
     #   multidict
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zstandard==0.25.0 ; platform_python_implementation == "CPython" and python_version < "3.14"
     # via -r requirements/runtime-deps.in
diff --git a/requirements/test-ft.txt b/requirements/test-ft.txt
index 314c2ac446d..2eda8248d9a 100644
--- a/requirements/test-ft.txt
+++ b/requirements/test-ft.txt
@@ -142,7 +142,7 @@ typing-inspection==0.4.2
     # via pydantic
 wait-for-it==2.3.0
     # via -r requirements/test-common.in
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zlib-ng==1.0.0
     # via -r requirements/test-common.in
diff --git a/requirements/test.txt b/requirements/test.txt
index b65bd794809..8f938b90f1c 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -144,7 +144,7 @@ uvloop==0.21.0 ; platform_system != "Windows" and implementation_name == "cpytho
     # via -r requirements/base.in
 wait-for-it==2.3.0
     # via -r requirements/test-common.in
-yarl==1.20.1
+yarl==1.21.0
     # via -r requirements/runtime-deps.in
 zlib-ng==1.0.0
     # via -r requirements/test-common.in