diff --git a/Cargo.lock b/Cargo.lock
index ac732a25..3b72ffb1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2313,18 +2313,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094"
+checksum = "bc76f558e0cbb2a839d37354c575f1dc3fdc6546b5be373ba43d95f231bf7c12"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
+checksum = "e0cd7e117be63d3c3678776753929474f3b04a43a080c744d6b0ae2a8c28e222"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2333,9 +2333,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.119"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8eddb61f0697cc3989c5d64b452f5488e2b8a60fd7d5076a3045076ffef8cb0"
+checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
 dependencies = [
  "itoa",
  "ryu",
@@ -3284,9 +3284,9 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.7.34"
+version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae87e3fcd617500e5d106f0380cf7b77f3c6092aae37191433159dda23cfb087"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
  "byteorder",
  "zerocopy-derive",
@@ -3294,9 +3294,9 @@ dependencies = [
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.7.34"
+version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/mdbook-course/Cargo.toml b/mdbook-course/Cargo.toml
index 8af1b2f0..1c155293 100644
--- a/mdbook-course/Cargo.toml
+++ b/mdbook-course/Cargo.toml
@@ -17,6 +17,6 @@ matter = "0.1.0-alpha4"
 mdbook = "0.4.40"
 pretty_env_logger = "0.5.0"
 regex = "1.10"
-serde = "1.0.203"
-serde_json = "1.0.119"
+serde = "1.0.204"
+serde_json = "1.0.120"
 serde_yaml = "0.9"
diff --git a/src/bare-metal/useful-crates/zerocopy-example/Cargo.toml b/src/bare-metal/useful-crates/zerocopy-example/Cargo.toml
index 65ff1b96..5ea6f1e4 100644
--- a/src/bare-metal/useful-crates/zerocopy-example/Cargo.toml
+++ b/src/bare-metal/useful-crates/zerocopy-example/Cargo.toml
@@ -5,4 +5,4 @@ edition = "2021"
 publish = false
 
 [dependencies]
-zerocopy = { version = "0.7.34", features = ["derive"] }
+zerocopy = { version = "0.7.35", features = ["derive"] }