diff --git a/classify-split-extract-workflow/classify-job/requirements.txt b/classify-split-extract-workflow/classify-job/requirements.txt
index 1de92c258..d8cebdd6d 100644
--- a/classify-split-extract-workflow/classify-job/requirements.txt
+++ b/classify-split-extract-workflow/classify-job/requirements.txt
@@ -2,7 +2,7 @@ google-cloud-storage==2.17.0
 google-cloud-logging==3.8.0
 google-cloud-documentai==2.29.2
 pypdf2==3.0.1
-pikepdf==8.15.1
+pikepdf==9.1.0
 google-cloud-run==0.10.7
 google-cloud-bigquery==3.25.0
 google-cloud-documentai-toolbox==0.13.5a0