diff --git a/dataflow/flex-templates/pipeline_with_dependencies/requirements.txt b/dataflow/flex-templates/pipeline_with_dependencies/requirements.txt
index ca9dbcb3ad..6d601ebebc 100644
--- a/dataflow/flex-templates/pipeline_with_dependencies/requirements.txt
+++ b/dataflow/flex-templates/pipeline_with_dependencies/requirements.txt
@@ -26,7 +26,7 @@ beartype==0.22.9
     # via apache-beam
 cachetools==6.2.6
     # via apache-beam
-certifi==2026.7.22
+certifi==2026.10.18
     # via
     #   google-cloud-aiplatform
     #   httpcore