diff --git a/go.mod b/go.mod
index f7fa22e..da20cbc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24.0
 require (
 	github.com/charmbracelet/bubbletea v1.3.4
 	github.com/charmbracelet/lipgloss v1.0.0
-	golang.org/x/crypto v0.36.0
+	github.com/zeebo/xxh3 v1.0.2
 )
 
 require (
@@ -13,6 +13,7 @@ require (
 	github.com/charmbracelet/x/ansi v0.8.0 // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
diff --git a/go.sum b/go.sum
index 54e585a..c821438 100644
--- a/go.sum
+++ b/go.sum
@@ -10,6 +10,8 @@ github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQ
 github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
+github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
@@ -27,8 +29,10 @@ github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1n
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+github.com/zeebo/assert v1.3.0 h1:g7C04CbJuIDKNPFHmsk4hwZDO5O+kntRxzaUoNXj+IQ=
+github.com/zeebo/assert v1.3.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
+github.com/zeebo/xxh3 v1.0.2 h1:xZmwmqxHZA8AI603jOQ0tMqmBr9lPeFwGg6d+xy9DC0=
+github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
 golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
 golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/hash.go b/hash.go
index 9f88f3a..7fe58f9 100644
--- a/hash.go
+++ b/hash.go
@@ -1,14 +1,25 @@
 package main
 
 import (
-	"encoding/hex"
 	"fmt"
 	"io"
 	"os"
+	"sync"
 
-	"golang.org/x/crypto/blake2b"
+	"github.com/zeebo/xxh3"
 )
 
+const (
+	bufferSize = 32 * 1024
+)
+
+var bufPool = sync.Pool{
+	New: func() interface{} {
+		b := make([]byte, bufferSize)
+		return &b
+	},
+}
+
 func createFileHash(filePath string) (string, error) {
 	file, err := os.Open(filePath)
 	if err != nil {
@@ -16,14 +27,28 @@ func createFileHash(filePath string) (string, error) {
 	}
 	defer file.Close()
 
-	hash, err := blake2b.New256(nil)
+	var hash string
+
+	hash, err = hashXXH3(file)
+
 	if err != nil {
-		return "", fmt.Errorf("failed to create BLAKE2b hash: %w", err)
+		return "", fmt.Errorf("hashing failed: %w", err)
 	}
 
-	if _, err := io.Copy(hash, file); err != nil {
-		return "", fmt.Errorf("failed to compute hash: %w", err)
+	return hash, nil
+
+}
+
+func hashXXH3(r io.Reader) (string, error) {
+	hasher := xxh3.New()
+	buffPtr := bufPool.Get().(*[]byte)
+	buff := *buffPtr
+	defer bufPool.Put(buffPtr)
+
+	if _, err := io.CopyBuffer(hasher, r, buff); err != nil {
+		return "", fmt.Errorf("XXH3 hashing failed: %w", err)
 	}
 
-	return hex.EncodeToString(hash.Sum(nil)), nil
+	hash := hasher.Sum128()
+	return fmt.Sprintf("%016x%016x", hash.Hi, hash.Lo), nil
 }
diff --git a/hash_test.go b/hash_test.go
index 81c31f6..36e731c 100644
--- a/hash_test.go
+++ b/hash_test.go
@@ -2,12 +2,13 @@ package main
 
 import (
 	"encoding/hex"
+	"fmt"
 	"io"
 	"os"
 	"path/filepath"
 	"testing"
 
-	"golang.org/x/crypto/blake2b"
+	"github.com/zeebo/xxh3"
 )
 
 func TestCreateFileHash(t *testing.T) {
@@ -31,22 +32,22 @@ func TestCreateFileHash(t *testing.T) {
 	}
 	contentFile.Close()
 
-	h, err := blake2b.New256(nil)
-	if err != nil {
-		t.Fatalf("Failed to create BLAKE2b hash: %v", err)
-	}
-	n, err := io.WriteString(h, content)
+	hasher := xxh3.New()
+
+	n, err := io.WriteString(hasher, content)
 	if err != nil {
 		t.Error(err)
 	}
 	if n != len(content) {
 		t.Errorf("not all bytes are written, expected to write %d bytes, written: %d", len(content), n)
 	}
-	expectedContentHash := hex.EncodeToString(h.Sum(nil))
 
-	emptyHash, err := blake2b.New256(nil)
+	hash := hasher.Sum128()
+	expectedContentHash := fmt.Sprintf("%016x%016x", hash.Hi, hash.Lo)
+
+	emptyHash := xxh3.New()
 	if err != nil {
-		t.Fatalf("Failed to create BLAKE2b hash for empty file: %v", err)
+		t.Fatalf("Failed to create XXH3 hash for empty file: %v", err)
 	}
 	expectedEmptyHash := hex.EncodeToString(emptyHash.Sum(nil))