diff --git a/requirements.txt b/requirements.txt
index b69f5fc2..c368cb3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ pytz==2022.7
 requests==2.28.1
 requests-oauthlib==1.3.1
 rumps==0.4.0; platform_system == "Darwin"
-simplejson==3.18.0
+simplejson==3.18.3
 six==1.16.0
 soupsieve==2.3.2.post1
 tempora==5.1.0