diff --git a/backend/smartnpc/src/requirements.in b/backend/smartnpc/src/requirements.in
index 6fa46f0..8e43d22 100644
--- a/backend/smartnpc/src/requirements.in
+++ b/backend/smartnpc/src/requirements.in
@@ -7,7 +7,7 @@ pgvector==0.2.3
 pg8000==1.30.3
 
 # Data ingestion
-pypdf==4.2.0
+pypdf==6.6.0
 cloud-sql-python-connector[pg8000]
 SQLAlchemy==2.0.7
 google-cloud-aiplatform==1.59.0
diff --git a/backend/smartnpc/src/requirements.txt b/backend/smartnpc/src/requirements.txt
index 3fda436..459173a 100644
--- a/backend/smartnpc/src/requirements.txt
+++ b/backend/smartnpc/src/requirements.txt
@@ -7,9 +7,7 @@
 aiofiles==24.1.0 \
     --hash=sha256:22a075c9e5a3810f0c2e48f3008c94d68c65d763b9b03857924c99e57355166c \
     --hash=sha256:b4ec55f4195e3eb5d7abd1bf7e061763e864dd4954231fb8539a0ef8bb8260e5
-    # via
-    #   cloud-sql-python-connector
-    #   unstructured-client
+    # via unstructured-client
 aiohappyeyeballs==2.6.1 \
     --hash=sha256:c3f9d0113123803ccadfdf3f0faa505bc78e6a72d1cc4806cbd719826e943558 \
     --hash=sha256:f349ba8f4b75cb25c99c5c2d84e997e485204d2902a9597802b0371f09331fb8
@@ -1585,9 +1583,9 @@ pyparsing==3.2.3 \
     --hash=sha256:a749938e02d6fd0b59b356ca504a24982314bb090c383e3cf201c95ef7e2bfcf \
     --hash=sha256:b9c13f1ab8b3b542f72e28f634bad4de758ab3ce4546e4301970ad6fa77c38be
     # via httplib2
-pypdf==4.2.0 \
-    --hash=sha256:dc035581664e0ad717e3492acebc1a5fc23dba759e788e3d4a9fc9b1a32e72c1 \
-    --hash=sha256:fe63f3f7d1dcda1c9374421a94c1bba6c6f8c4a62173a59b64ffd52058f846b1
+pypdf==6.6.0 \
+    --hash=sha256:4c887ef2ea38d86faded61141995a3c7d068c9d6ae8477be7ae5de8a8e16592f \
+    --hash=sha256:bca9091ef6de36c7b1a81e09327c554b7ce51e88dad68f5890c2b4a4417f1fd7
     # via
     #   -r requirements.in
     #   unstructured-client