diff --git a/pyproject.toml b/pyproject.toml
index 3de2056d..83d4baa5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
 "flask==3.0.0",
 "werkzeug==3.0.1",
 "llama-index==0.8.69.post1",
-"pypdf==3.11.1",
+"pypdf==3.17.3",
 "youtube_transcript_api==0.5.0",
 "sentencepiece==0.1.99",
 "protobuf==3.20.2",
diff --git a/requirements.txt b/requirements.txt
index 67495019..a733fa1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ backoff==2.2.1
 flask==3.0.0
 werkzeug==3.0.1
 llama-index==0.8.69.post1
-pypdf==3.11.1
+pypdf==3.17.3
 youtube_transcript_api==0.5.0
 sentencepiece==0.1.99
 protobuf==3.20.2
diff --git a/requirements_base.txt b/requirements_base.txt
index 002ee966..1fd789f1 100644
--- a/requirements_base.txt
+++ b/requirements_base.txt
@@ -15,7 +15,7 @@ backoff==2.2.1
 flask==3.0.0
 werkzeug==3.0.1
 llama-index==0.8.69.post1
-pypdf==3.11.1
+pypdf==3.17.3
 youtube_transcript_api==0.5.0
 sentencepiece==0.1.99
 protobuf==3.20.2