diff --git a/requirements.dev.txt b/requirements.dev.txt
index d361923..2c63809 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -3,7 +3,7 @@ aniso8601==6.0.0
 atomicwrites==1.3.0
 attrs==19.1.0
 blinker==1.4
-certifi==2019.3.9
+certifi==2022.12.7
 Click==7.0
 Flask==1.0.2
 Flask-Mail==0.9.1
diff --git a/requirements.txt b/requirements.txt
index 80d52ce..6e84908 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ aniso8601==6.0.0
 atomicwrites==1.3.0
 attrs==19.1.0
 blinker==1.4
-certifi==2019.3.9
+certifi==2022.12.7
 Click==7.0
 Flask==1.0.2
 Flask-Mail==0.9.1