diff --git a/src/strass/requirements.txt b/src/strass/requirements.txt
index 2c890cf702b2486b123df0e90ba6852edfe3ca86..5f03632fb5785e3d4d889b634464e361d48a95c9 100644
--- a/src/strass/requirements.txt
+++ b/src/strass/requirements.txt
@@ -16,7 +16,7 @@ csscompressor
 coverage
 Faker>=5
 pdfkit
-pypdf
+pypdf>=5.4.0
 pdftotext
 freezegun
 markdown