diff --git a/src/apps/slack/requirements.txt b/src/apps/slack/requirements.txt
index 411f62b..b646180 100644
--- a/src/apps/slack/requirements.txt
+++ b/src/apps/slack/requirements.txt
@@ -8,7 +8,7 @@ attrs==19.3.0
 azure-common==1.1.25
 azure-core==1.7.0
 azure-servicebus==7.0.0b4
-certifi==2020.6.20
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 click==7.1.2