diff --git a/Cargo.toml b/Cargo.toml
index 285146b1..af070a81 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -99,7 +99,7 @@ reqwest = { version = "0.12", default-features = false, features = [
     "deflate",
 ]}
 once_cell = "1.20.2"
-instant = { version = "0.1", default-features = false }
+web-time = "1.1.0"
 rand = "0.9.1"
 regex = "1"
 home = "0.5.5"
diff --git a/crates/cashu/Cargo.toml b/crates/cashu/Cargo.toml
index 2ca6532c..affd6f52 100644
--- a/crates/cashu/Cargo.toml
+++ b/crates/cashu/Cargo.toml
@@ -37,9 +37,9 @@ regex = { workspace = true, optional = true }
 strum = { workspace = true, optional = true }
 strum_macros = { workspace = true, optional = true }
 zeroize = "1"
+web-time.workspace = true
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-instant = { workspace = true, features = ["wasm-bindgen", "inaccurate"] }
 uuid = { workspace = true, features = ["js"], optional = true }
 
 [dev-dependencies]
diff --git a/crates/cashu/src/util/mod.rs b/crates/cashu/src/util/mod.rs
index ae86f8a8..8afa9f64 100644
--- a/crates/cashu/src/util/mod.rs
+++ b/crates/cashu/src/util/mod.rs
@@ -1,18 +1,10 @@
 //! Cashu utils
 
-#[cfg(not(target_arch = "wasm32"))]
-use std::time::{SystemTime, UNIX_EPOCH};
-
-use bitcoin::secp256k1::{rand, All, Secp256k1};
-use once_cell::sync::Lazy;
-
 pub mod hex;
 
-#[cfg(target_arch = "wasm32")]
-use instant::SystemTime;
-
-#[cfg(target_arch = "wasm32")]
-const UNIX_EPOCH: SystemTime = SystemTime::UNIX_EPOCH;
+use bitcoin::secp256k1::{rand, All, Secp256k1};
+use once_cell::sync::Lazy;
+use web_time::{SystemTime, UNIX_EPOCH};
 
 /// Secp256k1 global context
 pub static SECP256K1: Lazy<Secp256k1<All>> = Lazy::new(|| {
@@ -46,7 +38,7 @@ pub enum CborError {
 ///
 /// See <https://www.rfc-editor.org/rfc/rfc8949.html#name-diagnostic-notation>
 pub fn serialize_to_cbor_diag<T: serde::Serialize>(data: &T) -> Result<String, CborError> {
-    let mut cbor_buffer = Vec::new();
+    let mut cbor_buffer = Vec::<u8>::new();
     ciborium::ser::into_writer(data, &mut cbor_buffer)?;
 
     let diag = cbor_diag::parse_bytes(&cbor_buffer)?;
diff --git a/crates/cdk-common/Cargo.toml b/crates/cdk-common/Cargo.toml
index d19e851a..2ca99661 100644
--- a/crates/cdk-common/Cargo.toml
+++ b/crates/cdk-common/Cargo.toml
@@ -39,9 +39,9 @@ futures.workspace = true
 anyhow.workspace = true
 serde_json.workspace = true
 serde_with.workspace = true
+web-time.workspace = true
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-instant = { workspace = true, features = ["wasm-bindgen", "inaccurate"] }
 uuid = { workspace = true, features = ["js"], optional = true }
 
 [dev-dependencies]
diff --git a/crates/cdk-integration-tests/Cargo.toml b/crates/cdk-integration-tests/Cargo.toml
index 8e5dce7f..30f31452 100644
--- a/crates/cdk-integration-tests/Cargo.toml
+++ b/crates/cdk-integration-tests/Cargo.toml
@@ -50,6 +50,7 @@ tokio-util.workspace = true
 reqwest.workspace = true
 bitcoin = "0.32.0"
 clap = { workspace = true, features = ["derive"] }
+web-time.workspace = true
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio.workspace = true
@@ -57,7 +58,6 @@ tokio.workspace = true
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 tokio = { workspace = true, features = ["rt", "macros", "sync", "time"] }
 getrandom = { version = "0.2", features = ["js"] }
-instant = { workspace = true, features = ["wasm-bindgen", "inaccurate"] }
 uuid = { workspace = true, features = ["js"] }
 
 [dev-dependencies]
diff --git a/crates/cdk/Cargo.toml b/crates/cdk/Cargo.toml
index 529dfebb..17ae3e76 100644
--- a/crates/cdk/Cargo.toml
+++ b/crates/cdk/Cargo.toml
@@ -45,6 +45,7 @@ uuid.workspace = true
 jsonwebtoken = { workspace = true, optional = true }
 trust-dns-resolver = { version = "0.23.2", optional = true }
 cdk-prometheus = {workspace = true, optional = true}
+web-time.workspace = true
 # -Z minimal-versions
 sync_wrapper = "0.1.2"
 bech32 = "0.9.1"
diff --git a/crates/cdk/src/wallet/mint_connector/http_client.rs b/crates/cdk/src/wallet/mint_connector/http_client.rs
index 93cb752c..9a71cbf2 100644
--- a/crates/cdk/src/wallet/mint_connector/http_client.rs
+++ b/crates/cdk/src/wallet/mint_connector/http_client.rs
@@ -1,7 +1,6 @@
 //! HTTP Mint client with pluggable transport
 use std::collections::HashSet;
 use std::sync::{Arc, RwLock as StdRwLock};
-use std::time::{Duration, Instant};
 
 use async_trait::async_trait;
 use cdk_common::{nut19, MeltQuoteBolt12Request, MintQuoteBolt12Request, MintQuoteBolt12Response};
@@ -13,6 +12,7 @@ use serde::Serialize;
 use tokio::sync::RwLock;
 use tracing::instrument;
 use url::Url;
+use web_time::{Duration, Instant};
 
 use super::transport::Transport;
 use super::{Error, MintConnector};
diff --git a/crates/cdk/src/wallet/subscription/http.rs b/crates/cdk/src/wallet/subscription/http.rs
index 22290e91..9933465c 100644
--- a/crates/cdk/src/wallet/subscription/http.rs
+++ b/crates/cdk/src/wallet/subscription/http.rs
@@ -1,10 +1,10 @@
 use std::collections::HashMap;
 use std::sync::Arc;
-use std::time::Duration;
 
 use cdk_common::MintQuoteBolt12Response;
 use tokio::sync::{mpsc, RwLock};
 use tokio::time;
+use web_time::Duration;
 
 use super::WsSubscriptionBody;
 use crate::nuts::nut17::Kind;