diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 22150d8b9e9..cc899c33576 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -36,7 +36,7 @@ brotli==1.2.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
 build==1.4.4
     # via pip-tools
-certifi==2026.2.25
+certifi==2026.4.22
     # via requests
 cffi==2.0.0
     # via
diff --git a/requirements/dev.txt b/requirements/dev.txt
index bff626bcd4c..3ffe8ede630 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -36,7 +36,7 @@ brotli==1.2.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
 build==1.4.4
     # via pip-tools
-certifi==2026.2.25
+certifi==2026.4.22
     # via requests
 cffi==2.0.0
     # via
diff --git a/requirements/doc-spelling.txt b/requirements/doc-spelling.txt
index 4a352b43e89..233a5a76ca1 100644
--- a/requirements/doc-spelling.txt
+++ b/requirements/doc-spelling.txt
@@ -10,7 +10,7 @@ alabaster==1.0.0
     # via sphinx
 babel==2.18.0
     # via sphinx
-certifi==2026.2.25
+certifi==2026.4.22
     # via requests
 charset-normalizer==3.4.7
     # via requests
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 0a9df24411c..8824ab109c0 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -10,7 +10,7 @@ alabaster==1.0.0
     # via sphinx
 babel==2.18.0
     # via sphinx
-certifi==2026.2.25
+certifi==2026.4.22
     # via requests
 charset-normalizer==3.4.7
     # via requests