diff --git a/requirements-dev.txt b/requirements-dev.txt
index 43960e77..bfc8098b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,7 +9,7 @@ beautifulsoup4==4.6.0
 bleach==2.1.2
 blinker==1.4
 candis==0.0.5
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 coverage==4.5.1
diff --git a/requirements.txt b/requirements.txt
index 43960e77..bfc8098b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ beautifulsoup4==4.6.0
 bleach==2.1.2
 blinker==1.4
 candis==0.0.5
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 coverage==4.5.1
diff --git a/requirements/production.txt b/requirements/production.txt
index 43960e77..bfc8098b 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -9,7 +9,7 @@ beautifulsoup4==4.6.0
 bleach==2.1.2
 blinker==1.4
 candis==0.0.5
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 coverage==4.5.1