diff --git a/requirements/dev.txt b/requirements/dev.txt
index 9d7e2604..e5046d9b 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -10,7 +10,7 @@ build==1.0.3
     # via pip-tools
 cachetools==6.2.2
     # via -r requirements/requirements.txt
-certifi==2025.10.5
+certifi==2025.11.12
     # via
     #   -r requirements/requirements.txt
     #   requests
diff --git a/requirements/functests.txt b/requirements/functests.txt
index 4d5537ba..1686b1b2 100644
--- a/requirements/functests.txt
+++ b/requirements/functests.txt
@@ -10,7 +10,7 @@ build==1.0.3
     # via pip-tools
 cachetools==6.2.2
     # via -r requirements/requirements.txt
-certifi==2025.10.5
+certifi==2025.11.12
     # via
     #   -r requirements/requirements.txt
     #   requests
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index df2a7f35..65dd50f2 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -6,7 +6,7 @@
 #
 cachetools==6.2.2
     # via -r requirements/requirements.in
-certifi==2025.10.5
+certifi==2025.11.12
     # via
     #   -r requirements/requirements.in
     #   requests
diff --git a/requirements/tests.txt b/requirements/tests.txt
index 002a7b1c..db6a5de2 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -8,7 +8,7 @@ build==1.0.3
     # via pip-tools
 cachetools==6.2.2
     # via -r requirements/requirements.txt
-certifi==2025.10.5
+certifi==2025.11.12
     # via
     #   -r requirements/requirements.txt
     #   requests