diff --git a/Cargo.lock b/Cargo.lock
index c7df44821..c7a9bde90 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4631,12 +4631,6 @@ dependencies = [
  "foldhash",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
-
 [[package]]
 name = "hashlink"
 version = "0.9.1"
@@ -4648,9 +4642,9 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+checksum = "b1edcd5a338e64688fbdcb7531a846cfd3476a54784dcb918a0844682bc7ada5"
 dependencies = [
  "hash32",
  "serde",
@@ -4954,7 +4948,7 @@ dependencies = [
  "js-sys",
  "log",
  "wasm-bindgen",
- "windows-core 0.61.2",
+ "windows-core 0.56.0",
 ]
 
 [[package]]
@@ -5173,7 +5167,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.0",
+ "hashbrown 0.15.5",
  "serde",
  "serde_core",
 ]
@@ -6252,7 +6246,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fcc7c92f190c97f79b4a332f5e81dcf68c8420af2045c936c9be0bc9de6f63b5"
 dependencies = [
- "proc-macro-crate 3.4.0",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -6538,7 +6532,7 @@ version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff32365de1b6743cb203b710788263c44a03de03802daf96092f2da4fe6ba4d7"
 dependencies = [
- "proc-macro-crate 3.4.0",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 2.0.108",
@@ -11855,7 +11849,7 @@ dependencies = [
  "zbus_macros 4.4.0",
  "zbus_names 3.0.0",
  "zbus_xml",
- "zvariant 4.2.0",
+ "zvariant 5.8.0",
 ]
 
 [[package]]
@@ -11926,7 +11920,7 @@ version = "3.0.0"
 dependencies = [
  "serde",
  "static_assertions",
- "zvariant 4.2.0",
+ "zvariant 5.8.0",
 ]
 
 [[package]]
@@ -12107,15 +12101,10 @@ version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2084290ab9a1c471c38fc524945837734fbf124487e105daec2bb57fd48c81fe"
 dependencies = [
- "chrono",
  "endi",
  "enumflags2",
- "heapless",
  "serde",
  "static_assertions",
- "time",
- "url",
- "uuid",
  "zvariant_derive 4.2.0",
 ]
 
@@ -12125,10 +12114,14 @@ version = "5.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2be61892e4f2b1772727be11630a62664a1826b62efa43a6fe7449521cb8744c"
 dependencies = [
+ "chrono",
  "endi",
  "enumflags2",
+ "heapless",
  "serde",
+ "time",
  "url",
+ "uuid",
  "winnow 0.7.13",
  "zvariant_derive 5.8.0",
  "zvariant_utils 3.2.1",
diff --git a/crates/zbus/Cargo.toml b/crates/zbus/Cargo.toml
index 465ec754c..243e10aa7 100644
--- a/crates/zbus/Cargo.toml
+++ b/crates/zbus/Cargo.toml
@@ -41,7 +41,7 @@ tokio-vsock = ["dep:tokio-vsock", "tokio"]
 [dependencies]
 serde = { version = "1.0.219", features = ["derive"] }
 serde_repr = "0.1.20"
-zvariant = { version = "4.2.0", default-features = false, features = [
+zvariant = { version = "5.8.0", default-features = false, features = [
   "enumflags2",
 ] }
 zbus_names = { path = "../zbus_names", version = "3.0" }
diff --git a/crates/zbus_names/Cargo.toml b/crates/zbus_names/Cargo.toml
index e1358ec41..2bb6be6a8 100644
--- a/crates/zbus_names/Cargo.toml
+++ b/crates/zbus_names/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 
 [dependencies]
 serde = { version = "1.0.219", features = ["derive"] }
-zvariant = { version = "4.0.0", default-features = false, features = [
+zvariant = { version = "5.8.0", default-features = false, features = [
     "enumflags2",
 ] }
 static_assertions = "1.1.0"