diff --git a/requirements.txt b/requirements.txt
index 24c6e5c..2ec23c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ dill>=0.3.0
 yattag==1.12.2
 pyyaml==5.4
 jsonschema==3.0.2
-PyPDF2==1.26.0
+PyPDF2==1.27.9
 pillow>=7.1.0
 shap>=0.35.0
 lime>=0.1.1, <=2
diff --git a/setup.py b/setup.py
index d774971..0e44c8f 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@ def get_version():
                       'pyyaml==5.4',
                       'pillow>=7.1.0',
                       'jsonschema==3.0.2',
-                      'PyPDF2 == 1.26.0'
+                      'PyPDF2 == 1.27.9'
                       ],
     classifiers=[
         'Programming Language :: Python :: 3.6',
diff --git a/tests/test_requirements.txt b/tests/test_requirements.txt
index 1fb0f06..cf185ca 100644
--- a/tests/test_requirements.txt
+++ b/tests/test_requirements.txt
@@ -6,4 +6,4 @@ nose==1.3.7
 nose-exclude==0.5.0
 nose2==0.9.1
 nosexcover==1.0.11
-PyPDF2==1.26.0
\ No newline at end of file
+PyPDF2==1.27.9
\ No newline at end of file