diff --git a/.cargo/config.toml b/.cargo/config.toml
index d67b66e..b0f43ce 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,2 +1,9 @@
 [build]
 target = "x86_64-unknown-linux-musl"
+
+# rustflags = [
+#   # emit instructions tuned to the current CPU
+#   "-C", "target-cpu=native",
+#   # assume CPU features
+#   "-C", "target-feature=+avx2,+sse4.1,+ssse3,+aes",
+# ]
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 434980f..cb94d7e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -67,6 +67,18 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "arrayref"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76a2e8124351fda1ef8aaaa3bbd7ebbcb486bbcd4225aca0aa0d84bb2db8fecb"
+
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -86,21 +98,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967"
 
 [[package]]
-name = "blake2"
-version = "0.10.6"
+name = "blake2b_simd"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
+checksum = "06e903a20b159e944f91ec8499fe1e55651480c541ea0a584f5d967c49ad9d99"
 dependencies = [
- "digest",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
-dependencies = [
- "generic-array",
+ "arrayref",
+ "arrayvec",
+ "constant_time_eq",
 ]
 
 [[package]]
@@ -195,6 +200,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c74b8349d32d297c9134b8c88677813a227df8f779daa29bfc29c183fe3dca6"
+
 [[package]]
 name = "cookie"
 version = "0.18.1"
@@ -233,16 +244,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "crypto-common"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
-dependencies = [
- "generic-array",
- "typenum",
-]
-
 [[package]]
 name = "ctrlc"
 version = "3.4.7"
@@ -273,17 +274,6 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
-[[package]]
-name = "digest"
-version = "0.10.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
-dependencies = [
- "block-buffer",
- "crypto-common",
- "subtle",
-]
-
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -385,16 +375,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.16"
@@ -902,7 +882,7 @@ name = "shrupl"
 version = "0.1.0-alpha"
 dependencies = [
  "base64ct",
- "blake2",
+ "blake2b_simd",
  "clap",
  "console",
  "ctrlc",
@@ -1045,12 +1025,6 @@ dependencies = [
  "zerovec",
 ]
 
-[[package]]
-name = "typenum"
-version = "1.18.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
diff --git a/Cargo.toml b/Cargo.toml
index d20c0ec..9b87ac4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ description = "ShrUpl is a tool to upload files to a Sharry Instance through a p
 
 [dependencies]
 base64ct = { version = "1.8.0", default-features = false, features = ["alloc"] }
-blake2 = { version = "0.10.6", default-features = false }
+blake2b_simd = "1.0.3"
 clap = { version = "4.5.38", features = ["derive"] }
 console = { version = "0.15.11", default-features = false }
 ctrlc = { version = "3.4.7", features = ["termination"] }
@@ -22,5 +22,11 @@ thiserror = "2.0.12"
 ureq = { version = "3.0.11", features = ["json"] }
 
 [profile.release]
+# Optimize for speed even more aggressively
+opt-level = "z"
+# better inlining
+codegen-units = 1
+# linker‐time optimization
 lto = true
+debug = false
 panic = "abort"
diff --git a/src/cli.rs b/src/cli.rs
index 2e2a947..82d0bd0 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,7 +1,7 @@
 use std::{convert::Infallible, fmt, io, time::Duration};
 
 use base64ct::{Base64UrlUnpadded, Encoding};
-use blake2::{Blake2b, Digest, digest::consts::U16};
+use blake2b_simd::Params as Blake2b;
 use clap::{
     Parser,
     builder::{PossibleValuesParser, TypedValueParser},
@@ -96,8 +96,6 @@ fn parse_sharry_file(data: &str) -> io::Result<Checked> {
     Checked::new(data)
 }
 
-type Blake2b128 = Blake2b<U16>;
-
 fn sorted<T>(values: &[T]) -> Vec<&T>
 where
     T: Ord,
@@ -143,14 +141,15 @@ impl Cli {
     }
 
     pub fn get_hash(&self) -> String {
-        let mut hasher = Blake2b128::new();
-        hasher.update(self.get_uri());
-        hasher.update(&self.alias);
+        let mut hasher = Blake2b::new().hash_length(16).to_state();
+
+        hasher.update(self.get_uri().as_ref());
+        hasher.update(self.alias.as_bytes());
 
         for chk in sorted(&self.files) {
-            hasher.update(chk);
+            hasher.update(chk.as_ref());
         }
 
-        Base64UrlUnpadded::encode_string(&hasher.finalize())
+        Base64UrlUnpadded::encode_string(hasher.finalize().as_bytes())
     }
 }