diff --git a/External/code-format-helper/requirements_formatting.txt b/External/code-format-helper/requirements_formatting.txt
index 586bc0274..87d0360d6 100644
--- a/External/code-format-helper/requirements_formatting.txt
+++ b/External/code-format-helper/requirements_formatting.txt
@@ -35,9 +35,9 @@ black==26.3.1 \
     # via
     #   -r requirements_formatting.txt.in
     #   darker
-certifi==2025.7.14 \
-    --hash=sha256:6b31f564a415d79ee77df69d757bb49a5bb53bd9f756cbbe24394ffd6fc1f4b2 \
-    --hash=sha256:8ea99dbdfaaf2ba2f9bac77b9249ef62ec5218e7c2b2e903378ed5fccf765995
+certifi==2026.10.19 \
+    --hash=sha256:035c1e85572b141bf1c3a3eff0e33a8eb74917522f2559075ff8d2fea780a1ae \
+    --hash=sha256:42d35340cc5b9ba78e818ddbff0c5b1c2b779de448a340fd1b989f5fa8670e1b
     # via
     #   -r requirements_formatting.txt.in
     #   requests
diff --git a/External/code-format-helper/requirements_formatting.txt.in b/External/code-format-helper/requirements_formatting.txt.in
index 65db0221c..8092b8aa1 100644
--- a/External/code-format-helper/requirements_formatting.txt.in
+++ b/External/code-format-helper/requirements_formatting.txt.in
@@ -5,6 +5,6 @@ cryptography>=50.0.0
 urllib3>=2.8.0
 requests>=2.33.0
 idna>=3.15
-certifi>=2024.7.4
+certifi>=2026.10.19
 PyNaCl>=1.6.2
 PyJWT>=2.15.1