diff --git a/defaults/main.yaml b/defaults/main.yaml
index f197efd..39641b7 100644
--- a/defaults/main.yaml
+++ b/defaults/main.yaml
@@ -2,7 +2,7 @@
 
 # mitogen
 # renovate: datasource=github-releases depName=mitogen-hq/mitogen versioning=pep440
-mitogen_version: "0.3.41"
+mitogen_version: "0.3.42"
 
 # semaphore options
 semaphore_admin_username: "admin"