diff --git a/go.mod b/go.mod
index a469e17..f175a65 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/decke/smtprelay
 
 require (
-	github.com/DeRuina/timberjack v1.3.9
+	github.com/DeRuina/timberjack v1.4.1
 	github.com/chrj/smtpd v0.3.1
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/google/uuid v1.6.0
diff --git a/go.sum b/go.sum
index 01ecf4b..e9a0cff 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/DeRuina/timberjack v1.3.9 h1:6UXZ1I7ExPGTX/1UNYawR58LlOJUHKBPiYC7WQ91eBo=
-github.com/DeRuina/timberjack v1.3.9/go.mod h1:RLoeQrwrCGIEF8gO5nV5b/gMD0QIy7bzQhBUgpp1EqE=
+github.com/DeRuina/timberjack v1.4.1 h1:JftM5HN/ITKehAXjtdbGqN5XZIS1biHm7VSjU0Qbtqg=
+github.com/DeRuina/timberjack v1.4.1/go.mod h1:RLoeQrwrCGIEF8gO5nV5b/gMD0QIy7bzQhBUgpp1EqE=
 github.com/chrj/smtpd v0.3.1 h1:kogHFkbFdKaoH3bgZkqNC9uVtKYOFfM3uV3rroBdooE=
 github.com/chrj/smtpd v0.3.1/go.mod h1:JtABvV/LzvLmEIzy0NyDnrfMGOMd8wy5frAokwf6J9Q=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=