diff --git a/.github/workflows/CI.Dockerfile b/.github/workflows/CI.Dockerfile
index 2acbac3..740c4b0 100644
--- a/.github/workflows/CI.Dockerfile
+++ b/.github/workflows/CI.Dockerfile
@@ -1,3 +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
\ No newline at end of file
+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/Cargo.lock b/Cargo.lock
index 6135203..1d01897 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -155,7 +155,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a"
 dependencies = [
  "addr2line",
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "miniz_oxide",
  "object",
@@ -255,6 +255,12 @@ dependencies = [
  "shlex",
 ]
 
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -311,7 +317,7 @@ version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -561,7 +567,7 @@ version = "0.8.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -644,7 +650,7 @@ version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35c0522e981e68cbfa8c3f978441a5f34b30b96e146b33cd3359176b50fe8586"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "libredox",
  "windows-sys 0.59.0",
@@ -745,7 +751,7 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "js-sys",
  "libc",
  "wasi 0.11.0+wasi-snapshot-preview1",
@@ -758,7 +764,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "wasi 0.13.3+wasi-0.2.2",
  "windows-targets",
@@ -801,7 +807,7 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6dd08c532ae367adf81c312a4580bc67f1d0fe8bc9c460520283f4c0ff277888"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "crunchy",
 ]
 
@@ -823,6 +829,16 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
+[[package]]
+name = "home-dir"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "572c4f9690c3ac7058775be826d1b508ca20fd6633261435c27ac30ad0598212"
+dependencies = [
+ "nix",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "hound"
 version = "3.5.1"
@@ -1315,7 +1331,7 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "windows-targets",
 ]
 
@@ -1540,6 +1556,18 @@ dependencies = [
  "rawpointer",
 ]
 
+[[package]]
+name = "nix"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83450fe6a6142ddd95fb064b746083fc4ef1705fe81f64a64e1d4b39f54a1055"
+dependencies = [
+ "bitflags 1.3.2",
+ "cc",
+ "cfg-if 0.1.10",
+ "libc",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1658,7 +1686,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e14130c6a98cd258fdcb0fb6d744152343ff729cbfcb28c656a9d12b999fbcd"
 dependencies = [
  "bitflags 2.8.0",
- "cfg-if",
+ "cfg-if 1.0.0",
  "foreign-types",
  "libc",
  "once_cell",
@@ -1735,7 +1763,7 @@ version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
  "smallvec",
@@ -1921,7 +1949,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57fe09249128b3173d092de9523eaa75136bf7ba85e0d69eca241c7939c933cc"
 dependencies = [
  "anyhow",
- "cfg-if",
+ "cfg-if 1.0.0",
  "indoc",
  "libc",
  "memoffset",
@@ -2143,7 +2171,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34b5020fcdea098ef7d95e9f89ec15952123a4a039badd09fabebe9e963e839"
 dependencies = [
  "cc",
- "cfg-if",
+ "cfg-if 1.0.0",
  "getrandom 0.2.15",
  "libc",
  "untrusted",
@@ -2256,6 +2284,7 @@ dependencies = [
  "base64 0.22.1",
  "dotenvy",
  "env_logger",
+ "home-dir",
  "hound",
  "jpreprocess",
  "ndarray",
@@ -2396,7 +2425,7 @@ version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "cpufeatures",
  "digest",
 ]
@@ -2585,7 +2614,7 @@ version = "3.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22e5a0acb1f3f55f65cc4a866c361b2fb2a0ff6366785ae6fbb5f85df07ba230"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "fastrand",
  "getrandom 0.3.1",
  "once_cell",
@@ -3032,7 +3061,7 @@ version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "once_cell",
  "rustversion",
  "wasm-bindgen-macro",
@@ -3058,7 +3087,7 @@ version = "0.4.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "555d470ec0bc3bb57890405e5d4322cc9ea83cebb085523ced7be4144dac1e61"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "js-sys",
  "once_cell",
  "wasm-bindgen",
diff --git a/crates/sbv2_core/Cargo.toml b/crates/sbv2_core/Cargo.toml
index 852cf32..c2dda4d 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]
-ureq = "3.0.6"
\ No newline at end of file
+home-dir = "0.1.0"
+ureq = "3.0.6"
diff --git a/crates/sbv2_core/build.rs b/crates/sbv2_core/build.rs
index 62e0a65..467a8bc 100644
--- a/crates/sbv2_core/build.rs
+++ b/crates/sbv2_core/build.rs
@@ -3,10 +3,15 @@ use std::fs;
 use std::io::copy;
 use std::path::PathBuf;
 
+use home_dir::HomeDirExt;
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let out_dir = PathBuf::from(&env::var("OUT_DIR").unwrap());
-    let out_path = out_dir.join("all.bin");
-    if !out_path.exists() {
+    let static_path = "~/.cache/sbv2/all.bin".expand_home().unwrap();
+    let out_path = PathBuf::from(&env::var("OUT_DIR").unwrap()).join("all.bin");
+    println!("cargo:rerun-if-changed=build.rs");
+    if static_path.exists() {
+        fs::hard_link(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 +20,5 @@ 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(())
 }