diff --git a/Cargo.lock b/Cargo.lock
index 0d90b9dfb3..8e6c2c1558 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4646,7 +4646,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
 dependencies = [
  "cfg-if",
- "windows-targets 0.52.6",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -5239,7 +5239,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fcc7c92f190c97f79b4a332f5e81dcf68c8420af2045c936c9be0bc9de6f63b5"
 dependencies = [
- "proc-macro-crate 3.2.0",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -5485,7 +5485,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
 dependencies = [
- "proc-macro-crate 3.2.0",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 2.0.100",
@@ -10137,7 +10137,7 @@ dependencies = [
  "zbus_macros 4.4.0",
  "zbus_names 3.0.0",
  "zbus_xml",
- "zvariant 4.2.0",
+ "zvariant 5.1.0",
 ]
 
 [[package]]
@@ -10210,7 +10210,7 @@ version = "3.0.0"
 dependencies = [
  "serde",
  "static_assertions",
- "zvariant 4.2.0",
+ "zvariant 5.1.0",
 ]
 
 [[package]]
@@ -10397,15 +10397,10 @@ 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",
 ]
 
@@ -10415,11 +10410,15 @@ version = "5.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1200ee6ac32f1e5a312e455a949a4794855515d34f9909f4a3e082d14e1a56f"
 dependencies = [
+ "chrono",
  "endi",
  "enumflags2",
+ "heapless",
  "serde",
  "static_assertions",
+ "time",
  "url",
+ "uuid",
  "winnow 0.6.22",
  "zvariant_derive 5.1.0",
  "zvariant_utils 3.0.2",
diff --git a/crates/zbus/Cargo.toml b/crates/zbus/Cargo.toml
index 4022f310cb..29660af9dc 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 = "5.1.0", 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 e1358ec41a..8b9a3e22fc 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 = "5.1.0", default-features = false, features = [
     "enumflags2",
 ] }
 static_assertions = "1.1.0"