diff --git a/lambda-requirements.txt b/lambda-requirements.txt
index 40980d5..5daa669 100644
--- a/lambda-requirements.txt
+++ b/lambda-requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 lxml==4.6.5
diff --git a/local-requirements.txt b/local-requirements.txt
index 5a6e8f2..58c43fd 100644
--- a/local-requirements.txt
+++ b/local-requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.9.66
 botocore==1.12.66
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 idna==2.8