diff --git a/Cargo.lock b/Cargo.lock
index ff796417d..e80004f12 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -384,11 +384,12 @@ dependencies = [
 
 [[package]]
 name = "bincode"
-version = "1.3.3"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+checksum = "36eaf5d7b090263e8150820482d5d93cd964a81e4019913c972f4edcc6edb740"
 dependencies = [
  "serde",
+ "unty",
 ]
 
 [[package]]
@@ -3584,6 +3585,12 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "unty"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d49784317cd0d1ee7ec5c716dd598ec5b4483ea832a2dced265471cc0f690ae"
+
 [[package]]
 name = "url"
 version = "2.5.4"
diff --git a/openstack_sdk/Cargo.toml b/openstack_sdk/Cargo.toml
index 26859a64f..979c931d2 100644
--- a/openstack_sdk/Cargo.toml
+++ b/openstack_sdk/Cargo.toml
@@ -43,7 +43,7 @@ client_pem = []
 
 [dependencies]
 async-trait = {workspace = true}
-bincode = { version = "^1.3" }
+bincode = { version = "^2.0", default-features = false, features = ["serde", "std"] }
 bytes = {workspace = true}
 chrono = { workspace= true }
 config = { workspace = true, features = ["yaml"] }
diff --git a/openstack_sdk/src/state.rs b/openstack_sdk/src/state.rs
index 85874175e..380d56536 100644
--- a/openstack_sdk/src/state.rs
+++ b/openstack_sdk/src/state.rs
@@ -245,8 +245,11 @@ impl State {
             Ok(mut file) => {
                 let mut contents = vec![];
                 match file.read_to_end(&mut contents) {
-                    Ok(_) => match bincode::deserialize::<ScopeAuths>(&contents) {
-                        Ok(mut auth) => {
+                    Ok(_) => match bincode::serde::decode_from_slice(
+                        &contents,
+                        bincode::config::legacy(),
+                    ) {
+                        Ok::<(ScopeAuths, usize), _>((mut auth, _)) => {
                             auth.filter_invalid_auths();
                             trace!("Cached Auth info: {:?}", auth);
                             Some(auth)
@@ -287,7 +290,7 @@ impl State {
 
         let _ = state.0.insert(scope.clone(), data.clone());
 
-        match bincode::serialize(&state) {
+        match bincode::serde::encode_to_vec(&state, bincode::config::legacy()) {
             Ok(ser_data) => match File::create(fname.as_path()) {
                 Ok(mut file) => {
                     let _ = file.write_all(&ser_data);