diff --git a/requirements_cove.txt b/requirements_cove.txt
index 9dfefb1..e9e02ef 100644
--- a/requirements_cove.txt
+++ b/requirements_cove.txt
@@ -18,7 +18,7 @@ btrees==6.1
     # via zodb
 cached-property==2.0.1
     # via -r requirements_cove.in
-certifi==2025.1.31
+certifi==2026.10.19
     # via
     #   requests
     #   sentry-sdk
diff --git a/requirements_cove_dev.txt b/requirements_cove_dev.txt
index f4417bf..0019738 100644
--- a/requirements_cove_dev.txt
+++ b/requirements_cove_dev.txt
@@ -28,7 +28,7 @@ btrees==6.1
     # via zodb
 cached-property==2.0.1
     # via -r requirements_cove.in
-certifi==2025.1.31
+certifi==2026.10.19
     # via
     #   requests
     #   sentry-sdk
diff --git a/requirements_cove_dokku.txt b/requirements_cove_dokku.txt
index 3d7cfec..cb2ea82 100644
--- a/requirements_cove_dokku.txt
+++ b/requirements_cove_dokku.txt
@@ -26,7 +26,7 @@ btrees==6.1
     #   zodb
 cached-property==2.0.1
     # via -r requirements_cove.txt
-certifi==2025.1.31
+certifi==2026.10.19
     # via
     #   -r requirements_cove.txt
     #   requests