diff --git a/src/prepdocs/requirements.txt b/src/prepdocs/requirements.txt
index 2d22cfc..659931e 100644
--- a/src/prepdocs/requirements.txt
+++ b/src/prepdocs/requirements.txt
@@ -1,4 +1,4 @@
-pypdf==3.9.0
+pypdf==3.17.0
 azure-identity==1.13.0
 azure-search-documents==11.4.0b6
 azure-ai-formrecognizer==3.2.1