diff --git a/lambda/split_pdf/requirements.txt b/lambda/split_pdf/requirements.txt
index 15f3f6c..06c0da9 100644
--- a/lambda/split_pdf/requirements.txt
+++ b/lambda/split_pdf/requirements.txt
@@ -1 +1 @@
-pypdf==4.3.1
\ No newline at end of file
+pypdf==6.4.0
\ No newline at end of file