diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 279bf25..a36e20d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,3 +38,13 @@ jobs:
         uses: actions/checkout@v2
       - name: Run tests
         run: cargo test --all
+  msrv:
+    name: Run tests on mininum supported rust version
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get minimum supported Rust
+        run: rustup toolchain install 1.51.0 --profile minimal
+      - name: Check out source
+        uses: actions/checkout@v2
+      - name: Run tests
+        run: cargo test --all
diff --git a/README.md b/README.md
index 2aa783e..42e9600 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,11 @@ Documentation
 ---
 See the rustdoc at [docs.rs](https://docs.rs/mailparse/).
 
+MSRV policy
+---
+Currently the minimum supported Rust version (MSRV) is 1.51.0.
+MSRV increases will be kept to a minimum, and will always be accompanied with a minor version bump.
+
 Support mailparse
 ---
 If you want to support development of `mailparse`, please do so by donating your money, time, and/or energy to fighting climate change.