diff --git a/setup.py b/setup.py
index 325fe95..26e634d 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
     "nltk==3.6.2",
     "pandas>=0.25.3",
     "pdf2image==1.16.0",
-    "PyPDF2==1.26.0",
+    "PyPDF2==1.27.5",
     "pyspellchecker==0.6.2",
     "pytesseract==0.3.7; python_version<'3.8.4'",
     "pytesseract>=0.3.7; python_version>='3.8.5'",
diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index 1f9f1e6..281690f 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -40,7 +40,7 @@ ply==3.11
 preshed==3.0.5
 Pygments==2.8.0
 pyparsing==2.4.7
-PyPDF2==1.26.0
+PyPDF2==1.27.5
 pyspellchecker==0.5.5
 pytesseract==0.3.5
 python-dateutil==2.8.1