diff --git a/src/setup.py b/src/setup.py
index d1d154baa..f26c730ba 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -208,7 +208,7 @@ setup(
         'protobuf==3.15.*',
         'psycopg2-binary',
         'pycountry',
-        'pycparser==2.13',
+        'pycparser==2.21',
         'PyPDF2==1.26.*',
         'python-bidi==0.4.*',  # Support for Arabic in reportlab
         'python-dateutil==2.8.*',