diff --git a/Cargo.lock b/Cargo.lock
index 4ea1b43e..de6fb398 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -258,9 +258,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.40"
+version = "4.5.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
+checksum = "ed87a9d530bb41a67537289bafcac159cb3ee28460e0a4571123d2a778a6a882"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -268,9 +268,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.40"
+version = "4.5.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0c66c08ce9f0c698cbce5c0279d0bb6ac936d8674174fe48f736533b964f59e"
+checksum = "64f4f3f3c77c94aff3c7e9aac9a2ca1974a5adf392a8bb751e827d6d127ab966"
 dependencies = [
  "anstream",
  "anstyle",
@@ -290,9 +290,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.40"
+version = "4.5.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2c7947ae4cc3d851207c1adb5b5e260ff0cca11446b1d6d1423788e442257ce"
+checksum = "ef4f52386a59ca4c860f7393bcf8abd8dfd91ecccc0f774635ff68e92eeef491"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -2259,9 +2259,9 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
 [[package]]
 name = "reqwest"
-version = "0.12.21"
+version = "0.12.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8cea6b35bcceb099f30173754403d2eba0a5dc18cea3630fccd88251909288"
+checksum = "cbc931937e6ca3a06e3b6c0aa7841849b160a90351d6ab467a8b9b9959767531"
 dependencies = [
  "base64 0.22.0",
  "bytes",
@@ -2514,9 +2514,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.140"
+version = "1.0.142"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+checksum = "030fedb782600dcbd6f02d479bf0d817ac3bb40d644745b769d6a96bc3afc5a7"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/mdbook-course/Cargo.toml b/mdbook-course/Cargo.toml
index 960d5eaa..471c7057 100644
--- a/mdbook-course/Cargo.toml
+++ b/mdbook-course/Cargo.toml
@@ -10,7 +10,7 @@ description = "An mdbook preprocessor for comprehensive-rust."
 
 [dependencies]
 anyhow = "1.0.98"
-clap = "4.5.40"
+clap = "4.5.42"
 lazy_static = "1.5"
 log = "0.4.27"
 matter = "0.1.0-alpha4"
@@ -18,5 +18,5 @@ mdbook = "0.4.51"
 pretty_env_logger = "0.5.0"
 regex = "1.11"
 serde = "1.0.219"
-serde_json = "1.0.140"
+serde_json = "1.0.142"
 serde_yaml = "0.9"
diff --git a/src/concurrency/sync-exercises/Cargo.toml b/src/concurrency/sync-exercises/Cargo.toml
index 70f6d183..570ec763 100644
--- a/src/concurrency/sync-exercises/Cargo.toml
+++ b/src/concurrency/sync-exercises/Cargo.toml
@@ -13,7 +13,7 @@ name = "link-checker"
 path = "link-checker.rs"
 
 [dependencies]
-reqwest = { version = "0.12.21", features = ["blocking"] }
+reqwest = { version = "0.12.22", features = ["blocking"] }
 scraper = "0.23.1"
 thiserror = "2.0.12"
 
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 97c6b7fb..57dd6f48 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -6,4 +6,4 @@ publish = false
 
 [dependencies]
 anyhow = "1.0.98"
-clap = { version = "4.5.40", features = ["derive"] }
+clap = { version = "4.5.42", features = ["derive"] }