diff --git a/requirements.txt b/requirements.txt
index 5036616..41b1fa6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ cached-property==1.5.1
 slackclient==2.3.1
 portainer-api==1.22.1.1
 jenkins-job-builder==3.1.0
-marshmallow==3.6.0
+marshmallow==3.26.2
 loguru==0.4.0
 sshtunnel==0.1.5
 influxdb==5.3.0