diff --git a/requirements.txt b/requirements.txt
index 039441f36..ad521a7ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ blosc==1.10.4
 py_find_1st==1.1.5
 
 # Load ticker files 30% faster
-python-rapidjson==1.0
+python-rapidjson==1.4
 
 # Notify systemd
 sdnotify==0.3.2