diff --git a/test_requirements-cs.txt b/test_requirements-cs.txt
index ad04e446..2f188f27 100644
--- a/test_requirements-cs.txt
+++ b/test_requirements-cs.txt
@@ -2,7 +2,7 @@ pycodestyle
 pytest_xdist
 tensorflow
 keras
-certifi==2023.7.22
+certifi==2024.7.4
 pillow
 timeout_decorator
 
diff --git a/test_requirements.txt b/test_requirements.txt
index ad04e446..2f188f27 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -2,7 +2,7 @@ pycodestyle
 pytest_xdist
 tensorflow
 keras
-certifi==2023.7.22
+certifi==2024.7.4
 pillow
 timeout_decorator