diff --git a/Cargo.toml b/Cargo.toml
index 50db5e7..f5714e9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ natord = "1.0.9"
 tracing = "0.1.40"
 tracing-subscriber = "0.3.18"
 minifb = "0.27.0"
-aksr = { git = "https://github.com/jamjamjon/aksr.git" }
+aksr = "0.0.1"
 
 
 [features]
diff --git a/src/ys/embedding.rs b/src/ys/embedding.rs
index daaf63d..c6b554b 100644
--- a/src/ys/embedding.rs
+++ b/src/ys/embedding.rs
@@ -1,11 +1,12 @@
+use aksr::Builder;
 use anyhow::Result;
 use ndarray::{Array, Axis, Ix2, IxDyn};
 
 use crate::X;
 
 /// Embedding for image or text.
-#[derive(Clone, PartialEq, Default)]
-pub struct Embedding(Array<f32, IxDyn>);
+#[derive(Builder, Clone, PartialEq, Default)]
+pub struct Embedding(#[args(alias = "embedding")] Array<f32, IxDyn>);
 
 impl std::fmt::Debug for Embedding {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
@@ -24,11 +25,6 @@ impl Embedding {
         Self(x)
     }
 
-    pub fn with_embedding(mut self, x: Array<f32, IxDyn>) -> Self {
-        self.0 = x;
-        self
-    }
-
     pub fn data(&self) -> &Array<f32, IxDyn> {
         &self.0
     }