diff --git a/requirements.txt b/requirements.txt
index 1550941..6d16291 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyramid-tm==2.4
 python-dateutil==2.8.1
 repoze.lru==0.7
 requests==2.21.0
-simplejson==3.16.0
+simplejson==3.17.0
 six==1.15.0
 transaction==3.0.0
 translationstring==1.3