diff --git a/.github/workflows/CI.Dockerfile b/.github/workflows/CI.Dockerfile
new file mode 100644
index 0000000..740c4b0
--- /dev/null
+++ b/.github/workflows/CI.Dockerfile
@@ -0,0 +1,4 @@
+FROM ubuntu:latest
+RUN apt update && apt install openssl libssl-dev curl pkg-config software-properties-common -y && add-apt-repository ppa:deadsnakes/ppa && apt update && apt install python3.7 python3.8 python3.9 python3.10 python3.11 python3.12 python3.13 python3-pip python3 -y
+ENV PIP_BREAK_SYSTEM_PACKAGES=1
+RUN mkdir -p /root/.cache/sbv2 && curl https://huggingface.co/neody/sbv2-api-assets/resolve/main/dic/all.bin -o /root/.cache/sbv2/all.bin -L
\ No newline at end of file
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f64f42d..5ee7808 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,40 +1,35 @@
-# This file is autogenerated by maturin v1.7.1
-# To update, run
-#
-#    maturin generate-ci github
-#
 name: CI
 
 on:
   push:
     branches:
       - main
-      - master
     tags:
       - '*'
   pull_request:
   workflow_dispatch:
 
 permissions:
-  contents: read
+  contents: write
   id-token: write
   packages: write
 
 jobs:
-  linux:
+  python-linux:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
         platform:
           - runner: ubuntu-latest
             target: x86_64
-          - runner: ubuntu-latest
+          - runner: ubuntu-24.04-arm
             target: aarch64
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x
+      - run: docker build . -f .github/workflows/CI.Dockerfile --tag ci
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -42,6 +37,7 @@ jobs:
           args: --release --out dist --find-interpreter
           sccache: 'true'
           manylinux: auto
+          container: ci
           working-directory: ./crates/sbv2_bindings
       - name: Upload wheels
         uses: actions/upload-artifact@v4
@@ -49,7 +45,7 @@ jobs:
           name: wheels-linux-${{ matrix.platform.target }}
           path: ./crates/sbv2_bindings/dist
 
-  windows:
+  python-windows:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
@@ -75,7 +71,7 @@ jobs:
           name: wheels-windows-${{ matrix.platform.target }}
           path: ./crates/sbv2_bindings/dist
 
-  macos:
+  python-macos:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
       matrix:
@@ -100,7 +96,7 @@ jobs:
           name: wheels-macos-${{ matrix.platform.target }}
           path: ./crates/sbv2_bindings/dist
 
-  sdist:
+  python-sdist:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -115,22 +111,37 @@ jobs:
         with:
           name: wheels-sdist
           path: ./crates/sbv2_bindings/dist
+  python-wheel:
+    name: Wheel Upload
+    runs-on: ubuntu-latest
+    needs: [python-linux, python-windows, python-macos, python-sdist]
+    env:
+      GH_TOKEN: ${{ github.token }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: gh run download ${{ github.run_id }} -p wheels-*
+      - name: release
+        run: |
+          gh release create commit-${GITHUB_SHA:0:8} --prerelease wheels-*/*
 
-  release:
+  python-release:
     name: Release
     runs-on: ubuntu-latest
     if: "startsWith(github.ref, 'refs/tags/')"
-    needs: [linux, windows, macos, sdist]
+    needs: [python-linux, python-windows, python-macos, python-sdist]
     environment: release
+    env:
+      GH_TOKEN: ${{ github.token }}
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/checkout@v4
+      - run: gh run download ${{ github.run_id }} -p wheels-*
       - name: Publish to PyPI
         uses: PyO3/maturin-action@v1
         with:
           command: upload
           args: --non-interactive --skip-existing wheels-*/*
 
-  build:
+  docker:
     runs-on: ${{ matrix.machine.runner }}
     strategy:
       fail-fast: false
@@ -177,10 +188,10 @@ jobs:
           tags: |
             ghcr.io/${{ github.repository }}:latest-${{ matrix.tag }}-${{ matrix.machine.platform }}
 
-  merge:
+  docker-merge:
     runs-on: ubuntu-latest
     needs:
-      - build
+      - docker
     steps:
       - name: Download digests
         uses: actions/download-artifact@v4
diff --git a/Cargo.lock b/Cargo.lock
index 6135203..9d90a4c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -462,6 +462,27 @@ dependencies = [
  "crypto-common",
 ]
 
+[[package]]
+name = "dirs"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3e8aa94d75141228480295a7d0e7feb620b1a5ad9f12bc40be62411e38cce4e"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -1695,6 +1716,12 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "ort"
 version = "2.0.0-rc.9"
@@ -2063,6 +2090,17 @@ dependencies = [
  "bitflags 2.8.0",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd6f9d3d47bdd2ad6945c5015a226ec6155d0bcdfd8f7cd29f86b71f8de99d2b"
+dependencies = [
+ "getrandom 0.2.15",
+ "libredox",
+ "thiserror 2.0.11",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -2254,6 +2292,7 @@ version = "0.2.0-alpha6"
 dependencies = [
  "anyhow",
  "base64 0.22.1",
+ "dirs",
  "dotenvy",
  "env_logger",
  "hound",
diff --git a/crates/sbv2_core/Cargo.toml b/crates/sbv2_core/Cargo.toml
index 791085b..a8c60aa 100644
--- a/crates/sbv2_core/Cargo.toml
+++ b/crates/sbv2_core/Cargo.toml
@@ -43,4 +43,5 @@ aivmx = ["npyz", "base64"]
 base64 = ["dep:base64"]
 
 [build-dependencies]
+dirs = "6.0.0"
 ureq = "3.0.6"
diff --git a/crates/sbv2_core/build.rs b/crates/sbv2_core/build.rs
index 22a387d..f9c4823 100644
--- a/crates/sbv2_core/build.rs
+++ b/crates/sbv2_core/build.rs
@@ -1,12 +1,18 @@
+use dirs::home_dir;
 use std::env;
 use std::fs;
 use std::io::copy;
-use std::path::Path;
+use std::path::PathBuf;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let out_dir = env::var("OUT_DIR")?;
-    let out_path = Path::new(&out_dir).join("all.bin");
-    if !out_path.exists() {
+    let static_path = home_dir().unwrap().join(".cache/sbv2/all.bin");
+    let out_path = PathBuf::from(&env::var("OUT_DIR").unwrap()).join("all.bin");
+    println!("cargo:rerun-if-changed=build.rs");
+    if static_path.exists() {
+        if fs::hard_link(&static_path, &out_path).is_err() {
+            fs::copy(static_path, out_path).unwrap();
+        };
+    } else {
         println!("cargo:warning=Downloading dictionary file...");
         let mut response =
             ureq::get("https://huggingface.co/neody/sbv2-api-assets/resolve/main/dic/all.bin")
@@ -15,6 +21,5 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         let mut file = fs::File::create(&out_path)?;
         copy(&mut response, &mut file)?;
     }
-    println!("cargo:rerun-if-changed=build.rs");
     Ok(())
 }