diff --git a/dalp-generate-pdf/requirements.txt b/dalp-generate-pdf/requirements.txt
index 0e79cb7..f511414 100644
--- a/dalp-generate-pdf/requirements.txt
+++ b/dalp-generate-pdf/requirements.txt
@@ -5,7 +5,7 @@ autopep8==1.5
 azure-core==1.3.0
 azure-functions==1.2.0
 azure-storage-blob==12.3.0
-certifi==2022.12.7
+certifi==2023.7.22
 cffi==1.14.0
 chardet==3.0.4
 click==7.1.1