diff --git a/changes/20260311111227.bugfix b/changes/20260311111227.bugfix
new file mode 100644
index 0000000000..b6a80ff69f
--- /dev/null
+++ b/changes/20260311111227.bugfix
@@ -0,0 +1 @@
+Dependency upgrade: timberjack-1.4.0
diff --git a/utils/go.mod b/utils/go.mod
index 71ec9cb26e..3ceb7fa779 100644
--- a/utils/go.mod
+++ b/utils/go.mod
@@ -3,7 +3,7 @@ module github.com/ARM-software/golang-utils/utils
 go 1.24.1
 
 require (
-	github.com/DeRuina/timberjack v1.3.9
+	github.com/DeRuina/timberjack v1.4.0
 	github.com/OneOfOne/xxhash v1.2.8
 	github.com/avast/retry-go/v4 v4.7.0
 	github.com/bmatcuk/doublestar/v3 v3.0.0
diff --git a/utils/go.sum b/utils/go.sum
index 1354dc097b..9eda9f9a88 100644
--- a/utils/go.sum
+++ b/utils/go.sum
@@ -4,8 +4,8 @@ bitbucket.org/creachadair/stringset v0.0.9/go.mod h1:t+4WcQ4+PXTa8aQdNKe40ZP6iwe
 dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-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 v1.4.0 h1:Ipw9KjS/6K6A9D1xdhWebYJFqdQez5gXwfzmeKOroqE=
+github.com/DeRuina/timberjack v1.4.0/go.mod h1:RLoeQrwrCGIEF8gO5nV5b/gMD0QIy7bzQhBUgpp1EqE=
 github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=