diff --git a/go.mod b/go.mod
index beec2cf0..4c8734a0 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.24
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0
-	github.com/bmatcuk/doublestar/v4 v4.8.1
+	github.com/bmatcuk/doublestar/v4 v4.9.0
 	github.com/dimchansky/utfbom v1.1.1
 	github.com/go-ole/go-ole v1.3.0
 	github.com/prometheus/client_golang v1.22.0
diff --git a/go.sum b/go.sum
index aca9e652..6d93a3da 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b h1:mimo19zliBX/vS
 github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b/go.mod h1:fvzegU4vN3H1qMT+8wDmzjAcDONcgo2/SZ/TyfdUOFs=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bmatcuk/doublestar/v4 v4.8.1 h1:54Bopc5c2cAvhLRAzqOGCYHYyhcDHsFF4wWIR5wKP38=
-github.com/bmatcuk/doublestar/v4 v4.8.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
+github.com/bmatcuk/doublestar/v4 v4.9.0 h1:DBvuZxjdKkRP/dr4GVV4w2fnmrk5Hxc90T51LZjv0JA=
+github.com/bmatcuk/doublestar/v4 v4.9.0/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
diff --git a/internal/collector/filetime/filetime.go b/internal/collector/filetime/filetime.go
index 6a843f8a..0dbdd2fe 100644
--- a/internal/collector/filetime/filetime.go
+++ b/internal/collector/filetime/filetime.go
@@ -142,7 +142,7 @@ func (c *Collector) collectGlobFilePath(ch chan<- prometheus.Metric, filePattern
 	basePath, pattern := doublestar.SplitPattern(filePattern)
 	basePathFS := os.DirFS(basePath)
 
-	matches, err := doublestar.Glob(basePathFS, pattern, doublestar.WithFilesOnly())
+	matches, err := doublestar.Glob(basePathFS, pattern, doublestar.WithFilesOnly(), doublestar.WithCaseInsensitive())
 	if err != nil {
 		return fmt.Errorf("failed to glob: %w", err)
 	}