diff --git a/Cargo.lock b/Cargo.lock
index a8069600..982cd69a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -318,9 +318,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.48"
+version = "4.5.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2134bb3ea021b78629caa971416385309e0131b351b25e01dc16fb54e1b5fae"
+checksum = "4c26d721170e0295f191a69bd9a1f93efcdb0aff38684b61ab5750468972e5f5"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -328,9 +328,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.48"
+version = "4.5.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2ba64afa3c0a6df7fa517765e31314e983f51dda798ffba27b988194fb65dc9"
+checksum = "75835f0c7bf681bfd05abe44e965760fea999a5286c6eb2d59883634fd02011a"
 dependencies = [
  "anstream",
  "anstyle",
@@ -350,9 +350,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.47"
+version = "4.5.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbfd7eae0b0f1a6e63d4b13c9c478de77c2eb546fba158ad50b4203dc24b9f9c"
+checksum = "2a0b5487afeab2deb2ff4e03a807ad1a03ac532ff5a2cee5d86884440c7f7671"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -472,11 +472,12 @@ dependencies = [
 
 [[package]]
 name = "cxx"
-version = "1.0.180"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ecd70e33fb57b5fec1608d572bf8dc382f5385a19529056b32307a29ac329be"
+checksum = "4e9c4fe7f2f5dc5c62871a1b43992d197da6fa1394656a94276ac2894a90a6fe"
 dependencies = [
  "cc",
+ "cxx-build",
  "cxxbridge-cmd",
  "cxxbridge-flags",
  "cxxbridge-macro",
@@ -501,9 +502,9 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-cmd"
-version = "1.0.180"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64320fd0856fdf2421f8404b67d41e91291cbcfa3d57457b390f0a2618ee9a68"
+checksum = "077f5ee3d3bfd8d27f83208fdaa96ddd50af7f096c77077cc4b94da10bfacefd"
 dependencies = [
  "clap",
  "codespan-reporting",
@@ -515,15 +516,15 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.180"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77e40964f209961217b972415a8e3a0c23299076a0b2dfe79fa8366b5e5c833e"
+checksum = "b0108748615125b9f2e915dfafdffcbdabbca9b15102834f6d7e9a768f2f2864"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.180"
+version = "1.0.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51afdec15d8072d1b69f54f645edaf54250088a7e54c4fe493016781278136bd"
+checksum = "e6e896681ef9b8dc462cfa6961d61909704bde0984b30bcb4082fe102b478890"
 dependencies = [
  "indexmap",
  "proc-macro2",
@@ -2283,9 +2284,9 @@ checksum = "caf4aa5b0f434c91fe5c7f1ecb6a5ece2130b02ad2a590589dda5146df959001"
 
 [[package]]
 name = "reqwest"
-version = "0.12.23"
+version = "0.12.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d429f34c8092b2d42c7c93cec323bb4adeb7c67698f70839adec842ec10c7ceb"
+checksum = "9d0946410b9f7b082a427e4ef5c8ff541a88b357bc6c637c40db3a68ac70a36f"
 dependencies = [
  "base64",
  "bytes",
diff --git a/mdbook-course/Cargo.toml b/mdbook-course/Cargo.toml
index 8cce2cf1..1a8c2d8e 100644
--- a/mdbook-course/Cargo.toml
+++ b/mdbook-course/Cargo.toml
@@ -10,7 +10,7 @@ description = "An mdbook preprocessor for comprehensive-rust."
 
 [dependencies]
 anyhow = "1.0.100"
-clap = "4.5.48"
+clap = "4.5.51"
 lazy_static = "1.5"
 log = "0.4.27"
 matter = "0.1.0-alpha4"
diff --git a/src/concurrency/sync-exercises/Cargo.toml b/src/concurrency/sync-exercises/Cargo.toml
index 77349d75..5e3124c8 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 = "0.12.23", features = ["blocking"] }
+reqwest = { version = "0.12.24", features = ["blocking"] }
 scraper = "0.24.0"
 thiserror = "2.0.17"
 
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 18ca97fd..12922abe 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -6,5 +6,5 @@ publish = false
 
 [dependencies]
 anyhow = "1.0.100"
-clap = { version = "4.5.48", features = ["derive"] }
+clap = { version = "4.5.51", features = ["derive"] }
 walkdir = "2.5.0"