diff --git a/Cargo.toml b/Cargo.toml
index e743706..1a425b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "ckb-x64-simulator"
 description = "A simulator that allows running CKB smart contracts on x64 environment for tooling benefits"
-version = "0.4.0"
+version = "0.5.0"
 license = "MIT"
 authors = ["Nervos Core Dev <dev@nervos.org>"]
 edition = "2018"
@@ -13,9 +13,9 @@ crate-type = ["lib", "staticlib", "cdylib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ckb-standalone-debugger = "0.3.0"
-ckb-types = "0.37.0"
-faster-hex = "0.4.1"
+ckb-standalone-debugger = "0.20.0-rc3"
+ckb-types = "0.100.0-rc2"
+faster-hex = "0.6"
 lazy_static = "1.4"
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/src/lib.rs b/src/lib.rs
index e3bbe30..1fab8b4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -309,7 +309,7 @@ pub extern "C" fn ckb_dlopen2(
     let mut buffer = vec![];
     buffer.extend_from_slice(dep_cell_hash);
     buffer.push(hash_type);
-    let key = format!("0x{}", faster_hex::hex_string(&buffer).expect("faster hex"));
+    let key = format!("0x{}", faster_hex::hex_string(&buffer));
     let filename = SETUP
         .native_binaries
         .get(&key)
@@ -596,5 +596,6 @@ fn store_data(ptr: *mut c_void, len: *mut u64, offset: u64, data: &[u8]) {
     let full_size = data_len - offset;
     let real_size = std::cmp::min(size, full_size);
     *size_ptr = full_size;
-    buffer[..real_size as usize].copy_from_slice(&data[offset as usize..(offset + real_size) as usize]);
+    buffer[..real_size as usize]
+        .copy_from_slice(&data[offset as usize..(offset + real_size) as usize]);
 }