diff --git a/requirements.txt b/requirements.txt
index cedc86a..786d8e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyramid-multiauth==1.0.1
 pyramid-tm==2.4
 pyrsistent==0.18.0
 python-dateutil==2.8.2
-python-rapidjson==1.5
+python-rapidjson==1.9
 redis==4.0.2
 repoze.sendmail==4.4.1
 requests==2.26.0