diff --git a/requirements.txt b/requirements.txt
index e94c589..f625f23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -i https://pypi.org/simple
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 requests==2.22.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 8d66f46..59af13d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 -i https://pypi.org/simple
 atomicwrites==1.3.0
 attrs==19.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 importlib-metadata==0.18