diff --git a/requirements.txt b/requirements.txt
index 63a2770..94a7689 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ appdirs==1.4.4
 attrs==20.3.0
 backcall==0.2.0
 cayenne==1.0.3
-certifi==2020.12.5
+certifi==2022.12.7
 chardet==4.0.0
 click==7.1.2
 cycler==0.10.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 53f4809..c65a74b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -19,7 +19,7 @@ backcall==0.2.0
 black==19.3b0
 bleach==3.2.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 cayenne==1.0.3
-certifi==2020.12.5
+certifi==2022.12.7
 cffi==1.14.4
 cfgv==3.2.0; python_full_version >= '3.6.1'
 chardet==4.0.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'