diff --git a/iot_api_poller/requirements.txt b/iot_api_poller/requirements.txt
index 447056a..baf0eb1 100644
--- a/iot_api_poller/requirements.txt
+++ b/iot_api_poller/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.6
 python-dateutil==2.6.1
diff --git a/requirements.txt b/requirements.txt
index a507bb0..8dc7da1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 data-hub-call==0.3
 idna==2.7