diff --git a/gm_build.go b/gm_build.go
index 8208f7d..8888f0c 100644
--- a/gm_build.go
+++ b/gm_build.go
@@ -5,6 +5,8 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+
+	"github.com/bmatcuk/doublestar/v4"
 )
 
 // buildMd compiles the infile (xxx.md | stdin) to outfile (xxx.html | stdout)
@@ -59,9 +61,13 @@ func buildFiles() {
 			buildMd("")
 			continue
 		}
+		// get the current directory as a filesystem, needed for doublestar.Glob
+		cwd, err := os.Getwd()
+		check(err, "Problem getting the current directory.")
+		dirFS := os.DirFS(cwd)
 		// look for all files with the given patterns
 		// but build only .md ones
-		allfiles, err := filepath.Glob(pattern)
+		allfiles, err := doublestar.Glob(dirFS, pattern, doublestar.WithFilesOnly(), doublestar.WithNoFollow())
 		check(err, "Problem looking for file pattern:", pattern)
 		if len(allfiles) == 0 {
 			info("No files found.\n")
diff --git a/go.mod b/go.mod
index 1e31312..bda6d64 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.20
 
 require (
 	github.com/alecthomas/chroma v0.10.0
+	github.com/bmatcuk/doublestar/v4 v4.6.1
 	github.com/mdigger/goldmark-attributes v0.0.0-20210529130523-52da21a6bf2b
 	github.com/spf13/pflag v1.0.6-0.20201009195203-85dd5c8bc61c
 	github.com/yuin/goldmark v1.5.6
diff --git a/go.sum b/go.sum
index 0f7d215..aeed1ae 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/alecthomas/chroma v0.10.0 h1:7XDcGkCQopCNKjZHfYrNLraA+M7e0fMiJ/Mfikbfjek=
 github.com/alecthomas/chroma v0.10.0/go.mod h1:jtJATyUxlIORhUOFNA9NZDWGAQ8wpxQQqNSB4rjA/1s=
+github.com/bmatcuk/doublestar/v4 v4.6.1 h1:FH9SifrbvJhnlQpztAx++wlkk70QBf0iBWDwNy7PA4I=
+github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=