diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
new file mode 100644
index 0000000..8666461
--- /dev/null
+++ b/.github/workflows/nightly.yml
@@ -0,0 +1,35 @@
+name: Nightly Checks
+
+on:
+  schedule:
+    # Every night at midnight
+    - cron:  '0 0 * * *'
+
+jobs:
+  dependencies:
+    name: Check for unused dependencies
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install latest Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+      - name: Install cargo udeps
+        run: cargo install cargo-udeps --locked
+      - name: Execute cargo udeps
+        run: cargo +nightly udeps --workspace
+
+  audit:
+    name: Check for crates with security vulnerabilities
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install latest Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+      - name: Install cargo audit
+        run: cargo install cargo-audit
+      - name: Execute cargo audit
+        run: cargo audit
diff --git a/README.md b/README.md
index 01c25f7..4aeedde 100644
--- a/README.md
+++ b/README.md
@@ -23,15 +23,6 @@ The PSA Crypto wrapper is currently work-in-progress. This repository is current
 
 The software is provided under Apache-2.0. Contributions to this project are accepted under the same license.
 
-This project uses the following third party crates:
-
-* bingden (BSD-3-Clause)
-* cmake (MIT and Apache-2.0)
-* cc (MIT and Apache-2.0)
-* log (MIT and Apache-2.0)
-* serde (MIT and Apache-2.0)
-* walkdir (MIT or UNLICENSE)
-
 ## Contributing
 
 Please check the [**Contribution Guidelines**](https://parallaxsecond.github.io/parsec-book/contributing.html)
diff --git a/psa-crypto-sys/Cargo.toml b/psa-crypto-sys/Cargo.toml
index 82b40bb..fec31f0 100644
--- a/psa-crypto-sys/Cargo.toml
+++ b/psa-crypto-sys/Cargo.toml
@@ -15,10 +15,10 @@ repository = "https://github.com/parallaxsecond/rust-psa-crypto"
 links = "mbedcrypto"
 
 [build-dependencies]
-bindgen = "0.54.0"
-cc = "1.0.54"
+bindgen = "0.55.1"
+cc = "1.0.59"
 cmake = "0.1.44"
-walkdir = "2"
+walkdir = "2.3.1"
 
 [features]
 default = ["operations"]
diff --git a/psa-crypto/Cargo.toml b/psa-crypto/Cargo.toml
index 2b25107..a296e7c 100644
--- a/psa-crypto/Cargo.toml
+++ b/psa-crypto/Cargo.toml
@@ -15,8 +15,8 @@ repository = "https://github.com/parallaxsecond/rust-psa-crypto"
 
 [dependencies]
 psa-crypto-sys = { path = "../psa-crypto-sys", version = "0.5.0", default-features = false }
-log = "0.4.8"
-serde = { version = "1.0.110", features = ["derive"] }
+log = "0.4.11"
+serde = { version = "1.0.115", features = ["derive"] }
 zeroize = { version = "1.1.0", features = ["zeroize_derive"] }
 
 [dev-dependencies]