diff --git a/requirements.txt b/requirements.txt
index b69efded..12d002b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ gunicorn==19.8.1
 gevent==1.3.7
 itsdangerous==1.1.0
 python-slugify==1.2.6
-packtools==2.4.2
+packtools==2.4.3
 -e git+https://github.com/scieloorg/opac_ssm_api@v2.0.1#egg=opac_ssm_api
 raven[flask]==6.9.0
 Flask-Testing==0.7.1