diff --git a/requirements.txt b/requirements.txt
index b4c3294..f0cac6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cachetools==2.0.1
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 clickclick==1.2.2
diff --git a/test-requirements.txt b/test-requirements.txt
index 0ba7058..cb90793 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 cachetools==2.0.1
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 clickclick==1.2.2