diff --git a/PySimpleGUI_PyWebIO_Streamlit/requirements.txt b/PySimpleGUI_PyWebIO_Streamlit/requirements.txt
index 5cf1c4f..5c052fa 100644
--- a/PySimpleGUI_PyWebIO_Streamlit/requirements.txt
+++ b/PySimpleGUI_PyWebIO_Streamlit/requirements.txt
@@ -12,7 +12,7 @@ beautifulsoup4==4.10.0
 Brotli==1.0.9
 bs4==0.0.1
 cachetools==4.0.0
-certifi==2022.6.15
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 charset-normalizer==2.0.12