diff --git a/pyperformance/data-files/benchmarks/bm_dulwich_log/requirements.txt b/pyperformance/data-files/benchmarks/bm_dulwich_log/requirements.txt
index 0adbfb46..51f4e169 100644
--- a/pyperformance/data-files/benchmarks/bm_dulwich_log/requirements.txt
+++ b/pyperformance/data-files/benchmarks/bm_dulwich_log/requirements.txt
@@ -1,3 +1,3 @@
-certifi==2021.5.30
+certifi==2026.10.19
 dulwich==0.20.23
 urllib3==1.26.5