diff --git a/testdata/requirements.txt b/testdata/requirements.txt
index 8779ae4..64ff312 100644
--- a/testdata/requirements.txt
+++ b/testdata/requirements.txt
@@ -6,7 +6,7 @@
 #
 build==1.2.2.post1
     # via pip-tools
-certifi==2024.8.30
+certifi==2024.12.14
     # via requests
 charset-normalizer==3.4.0
     # via requests
diff --git a/testerror/requirements.txt b/testerror/requirements.txt
index 8779ae4..64ff312 100644
--- a/testerror/requirements.txt
+++ b/testerror/requirements.txt
@@ -6,7 +6,7 @@
 #
 build==1.2.2.post1
     # via pip-tools
-certifi==2024.8.30
+certifi==2024.12.14
     # via requests
 charset-normalizer==3.4.0
     # via requests