diff --git a/.github/workflows/nyms5-android-build.yml b/.github/workflows/nyms5-android-build.yml
index 264584e117..1a689fe780 100644
--- a/.github/workflows/nyms5-android-build.yml
+++ b/.github/workflows/nyms5-android-build.yml
@@ -49,7 +49,7 @@ jobs:
             "build-tools;$SDK_BUILDTOOLS_VERSION"
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@1.69.0
 
       - name: Install rust android targets
         run: |
diff --git a/sdk/lib/socks5-listener/Cargo.toml b/sdk/lib/socks5-listener/Cargo.toml
index 6936e9665c..007ddd0cec 100644
--- a/sdk/lib/socks5-listener/Cargo.toml
+++ b/sdk/lib/socks5-listener/Cargo.toml
@@ -14,6 +14,7 @@ crate-type = ["cdylib", "staticlib", "rlib"]
 
 [profile.release]
 strip = true
+codegen-units = 1
 
 [dependencies]
 anyhow = "1.0"