diff --git a/2019_NKU/playground_nametag/requirements.txt b/2019_NKU/playground_nametag/requirements.txt
index 2f34da7..360e54f 100644
--- a/2019_NKU/playground_nametag/requirements.txt
+++ b/2019_NKU/playground_nametag/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 psycopg2==2.8.3