diff --git a/proofpoint/requirements.txt b/proofpoint/requirements.txt
index 8af3c03..1d05825 100644
--- a/proofpoint/requirements.txt
+++ b/proofpoint/requirements.txt
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-requests==2.28.1
+requests==2.31.0
 jwt==1.3.1
 google-auth==2.15.0
 google-cloud-secret-manager==2.14.0