diff --git a/.github/workflows/build-msrv.yml b/.github/workflows/build-msrv.yml
index db88aa874c64..ce1e11129ee1 100644
--- a/.github/workflows/build-msrv.yml
+++ b/.github/workflows/build-msrv.yml
@@ -78,8 +78,8 @@ jobs:
       - name: Install Rust
         run: |
           rustup set profile minimal
-          rustup toolchain install 1.75
-          rustup default 1.75
-          rustup override set 1.75
+          rustup toolchain install 1.77
+          rustup default 1.77
+          rustup override set 1.77
       - name: Build with All Features Enabled
         run: cargo build --manifest-path crates/shadowsocks/Cargo.toml --verbose --features "stream-cipher aead-cipher-extra aead-cipher-2022 aead-cipher-2022-extra security-replay-attack-detect"
diff --git a/crates/shadowsocks/Cargo.toml b/crates/shadowsocks/Cargo.toml
index e44bc3a32056..ed257759601d 100644
--- a/crates/shadowsocks/Cargo.toml
+++ b/crates/shadowsocks/Cargo.toml
@@ -9,7 +9,7 @@ documentation = "https://docs.rs/shadowsocks-core"
 keywords = ["shadowsocks", "proxy", "socks", "socks5", "firewall"]
 license = "MIT"
 edition = "2021"
-rust-version = "1.75"
+rust-version = "1.77"
 
 [badges]
 maintenance = { status = "passively-maintained" }