diff --git a/requirements.txt b/requirements.txt
index ab16624..d63ff3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ attrs==24.2.0
     #   requests-cache
 cattrs==24.1.0
     # via requests-cache
-certifi==2024.8.30
+certifi==2026.10.18
     # via requests
 charset-normalizer==3.3.2
     # via requests
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0fd2638..034f114 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,7 +11,7 @@ cattrs==24.1.0
     # via
     #   -r requirements.txt
     #   requests-cache
-certifi==2024.8.30
+certifi==2026.10.18
     # via
     #   -r requirements.txt
     #   requests