diff --git a/requires-dev.txt b/requires-dev.txt
index 79297ee981..5491728835 100644
--- a/requires-dev.txt
+++ b/requires-dev.txt
@@ -10,4 +10,5 @@ black==21.6b0
 fire==0.4.0
 coloredlogs==15.0.1
 flask-talisman==0.8.1
-orjson==3.5.2
+orjson==3.3.1;python_version<"3.7"
+orjson==3.6.1;python_version>="3.7"