diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -171,7 +171,7 @@ nbconvert==7.7.3
   tinycss2==1.2.1
     webencodings==0.5.1
   traitlets==5.9.0
-orjson==3.9.13
+orjson==3.9.15
 pastescript==3.4.0
   paste==3.7.1
     six==1.16.0