diff --git a/synthtool/gcp/templates/java_library/.kokoro/requirements.in b/synthtool/gcp/templates/java_library/.kokoro/requirements.in
index 924f94ae6..a5010f77d 100644
--- a/synthtool/gcp/templates/java_library/.kokoro/requirements.in
+++ b/synthtool/gcp/templates/java_library/.kokoro/requirements.in
@@ -17,7 +17,7 @@ pycparser==2.21
 pyperclip==1.8.2
 python-dateutil==2.8.2
 requests==2.27.1
-certifi==2022.9.24
+certifi==2022.12.7
 importlib-metadata==4.8.3
 zipp==3.6.0
 google_api_core==2.8.2
diff --git a/synthtool/gcp/templates/java_library/.kokoro/requirements.txt b/synthtool/gcp/templates/java_library/.kokoro/requirements.txt
index 71fcafc70..15c404aa5 100644
--- a/synthtool/gcp/templates/java_library/.kokoro/requirements.txt
+++ b/synthtool/gcp/templates/java_library/.kokoro/requirements.txt
@@ -16,9 +16,9 @@ cachetools==4.2.4 \
     # via
     #   -r requirements.in
     #   google-auth
-certifi==2022.9.24 \
-    --hash=sha256:0d9c601124e5a6ba9712dbc60d9c53c21e34f5f641fe83002317394311bdce14 \
-    --hash=sha256:90c1a32f1d68f940488354e36370f6cca89f0f106db09518524c88d6ed83f382
+certifi==2022.12.7 \
+    --hash=sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3 \
+    --hash=sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18
     # via
     #   -r requirements.in
     #   requests