diff --git a/requirements.txt b/requirements.txt
index 761b060..458d41b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ cachetools==3.1.1
 cairocffi==1.0.2
 cairosvg==2.4.0
 celery[redis]==4.3.0
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 cssselect2==0.2.1
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 3ace4fc..17464c2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ astroid==2.2.5
 atomicwrites==1.3.0
 attrs==19.1.0
 black==19.3b0
-certifi==2019.3.9
+certifi==2022.12.7
 cfgv==2.0.0
 chardet==3.0.4
 click==7.0