diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 796c73e..2edaf20 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -44,6 +44,16 @@ jobs:
     - name: Run tests (no_std)
       run: cargo test --tests --no-default-features --verbose
 
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.53
+          override: true
+      - run: cargo +1.53 check
+
   fmt:
     runs-on: ubuntu-latest
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index c5c86d8..8489aac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,7 @@ license = "MIT/Apache-2.0"
 repository = "https://github.com/gankra/thin-vec"
 homepage = "https://github.com/gankra/thin-vec"
 readme = "README.md"
+rust-version = "1.53"
 
 [features]
 unstable = []