diff --git a/requirements.txt b/requirements.txt
index a98bc8f..ca95fde 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4
@@ -16,7 +16,7 @@ requests==2.18.4
 six==1.11.0
 uritemplate==3.0.0
 urllib3==1.22
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4