diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..17f00b4
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  # ──────────────────── MSRV ────────────────────
+  msrv:
+    name: MSRV
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4        # ← @v4 is the current tag
+
+      # Grab the value after `rust-version = "` (first match only)
+      - name: Extract MSRV from Cargo.toml
+        id: msrv
+        run: |
+          echo "rust=$(grep -m1 '^rust-version' Cargo.toml | cut -d '"' -f2)" >> "$GITHUB_OUTPUT"
+
+      - name: Install ${{ steps.msrv.outputs.rust }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ steps.msrv.outputs.rust }}
+          override: true
+          profile: minimal   # a bit quicker; omit for full std docs
+
+      - run: cargo build --all-features --verbose
+      - run: cargo test  --all-features --verbose
+
+  # ──────────────────── STABLE ────────────────────
+  stable:
+    name: Stable
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - run: cargo build --all-features --verbose
+      - run: cargo test  --all-features --verbose
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
deleted file mode 100644
index 97fc421..0000000
--- a/.github/workflows/rust.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-name: Rust
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@master
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
diff --git a/Cargo.toml b/Cargo.toml
index 6cbb58e..fd5cd2d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fastlog"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["Wangshan Lu <wisagan@gmail.com>"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -10,6 +10,7 @@ A high performance asynchronous logger
 """
 keywords = ["async", "fastlog", "log"]
 edition = "2018"
+rust-version = "1.85.0"
 
 [dependencies]
 crossbeam-channel = "0.4.4"
diff --git a/README.md b/README.md
index a133d65..9404259 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Currently this is still a work in progress.
 
 ## Usage
 
-Fastlog requires a minimum rustc version of 1.32.0.
+Fastlog requires a minimum rustc version of 1.85.0.
 
 To use fastlog, first add this to your `Cargo.toml`;