diff --git a/ldap_sync/requirements.txt b/ldap_sync/requirements.txt
index fe26aa8..e59f064 100644
--- a/ldap_sync/requirements.txt
+++ b/ldap_sync/requirements.txt
@@ -2,7 +2,7 @@ PyYAML==6.0.3
 requests==2.32.5
 python-ldap==3.4.5
 urllib3==2.6.2
-certifi==2025.11.12
+certifi==2026.1.4
 charset-normalizer==3.4.4
 idna==3.11
 pyasn1==0.6.1