diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 699a5c9..1bd457e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -76,6 +76,23 @@ jobs:
     - uses: dtolnay/rust-toolchain@1.60.0
     - run: cargo build --all-features --lib
 
+  semver:
+    name: Check semver compatibility
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Check semver
+        uses: obi1kenobi/cargo-semver-checks-action@v2
+
+  audit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: EmbarkStudios/cargo-deny-action@v2
+
 #  TODO: broken - migrate to criterion
 #  bench:
 #    name: Check that benchmarks compile
diff --git a/Cargo.toml b/Cargo.toml
index 53c7f2a..51e5b6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ keywords = ["time", "human", "human-friendly", "parser", "duration"]
 homepage = "https://github.com/chronotope/humantime"
 repository = "https://github.com/chronotope/humantime"
 documentation = "https://docs.rs/humantime"
-version = "2.2.0"
+version = "2.2.1"
 edition = "2021"
 categories = ["date-and-time"]
 
diff --git a/deny.toml b/deny.toml
new file mode 100644
index 0000000..5db6f35
--- /dev/null
+++ b/deny.toml
@@ -0,0 +1,3 @@
+[licenses]
+version = 2
+allow = ["Apache-2.0", "MIT"]