diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index f221154..deea714 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -16,9 +16,9 @@ cachetools==5.2.0 \
     # via
     #   -r requirements.in
     #   google-auth
-certifi==2022.12.7 \
-    --hash=sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3 \
-    --hash=sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18
+certifi==2024.7.4 \
+    --hash=sha256:5a1e7645bc0ec61a09e26c36f6106dd4cf40c6db3a1fb6352b0244e7fb057c7b \
+    --hash=sha256:c198e21b1289c2ab85ee4e67bb4b4ef3ead0892059901a8d5b622f24a1101e90
     # via
     #   -r requirements.in
     #   requests