diff --git a/docs/getting-started.md b/docs/getting-started.md
index 2d9ec07..9235125 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -22,6 +22,11 @@ $ ./output/modctl -h
 
 Build the model artifact you need to prepare a Modelfile describe your expected layout of the model artifact in your model repo.
 
+Notes: We support Unix-like glob path patterns, where:
+- `*` matches any number of characters except path separators (`/`).
+- `**` matches any number of directories, including zero directories.
+For example, `**/*.py` matches all `.py` files in the current directory and its subdirectories.
+
 Example of Modelfile:
 
 ```shell
diff --git a/go.mod b/go.mod
index 07446cd..467ba72 100644
--- a/go.mod
+++ b/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bmatcuk/doublestar/v4 v4.8.1
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
diff --git a/go.sum b/go.sum
index 9f76ae1..7aef594 100644
--- a/go.sum
+++ b/go.sum
@@ -10,6 +10,8 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 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/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
diff --git a/pkg/backend/processor/base.go b/pkg/backend/processor/base.go
index bb12a6b..29ce2aa 100644
--- a/pkg/backend/processor/base.go
+++ b/pkg/backend/processor/base.go
@@ -19,6 +19,7 @@ package processor
 import (
 	"context"
 	"fmt"
+	"os"
 	"path/filepath"
 	"sort"
 	"sync"
@@ -26,6 +27,7 @@ import (
 
 	"github.com/CloudNativeAI/modctl/pkg/backend/build"
 	"github.com/CloudNativeAI/modctl/pkg/storage"
+	doublestar "github.com/bmatcuk/doublestar/v4"
 
 	"github.com/chelnak/ysmrr"
 	humanize "github.com/dustin/go-humanize"
@@ -58,11 +60,14 @@ func (b *base) Process(ctx context.Context, workDir, repo string, opts ...Option
 
 	var matchedPaths []string
 	for _, pattern := range b.patterns {
-		matches, err := filepath.Glob(filepath.Join(absWorkDir, pattern))
+		matches, err := doublestar.Glob(os.DirFS(absWorkDir), pattern)
 		if err != nil {
 			return nil, err
 		}
-
+		// convert to absolute paths
+		for i := range matches {
+			matches[i] = filepath.Join(absWorkDir, matches[i])
+		}
 		matchedPaths = append(matchedPaths, matches...)
 	}