diff --git a/requirements-dev.txt b/requirements-dev.txt
index 51423d9..459cb50 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2025.4.26
 chardet==3.0.4
 coverage==4.5.4
 coveralls==1.10.0