diff --git a/Cargo.toml b/Cargo.toml
index 0119f02..aa6700c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,8 +55,6 @@ julia = ["sdp", "dep:libc", "dep:num-derive",  "serde", "faer-sparse"]
 # enable a blas/lapack source package 
 python = ["sdp", "dep:libc", "dep:pyo3", "dep:num-derive", "serde", "faer-sparse"]
 
-wasm = ["dep:web-time"]
-
 #compile with faer supernodal solver option
 faer-sparse = ["dep:faer", "dep:faer-entity"]
 
@@ -200,9 +198,10 @@ features = ["sdp","sdp-mkl"]
 # wasm compatibility
 # ------------------------------
 
-[dependencies.web-time]
-optional = true
-version = "0.2.3"
+[target.'cfg(target_family = "wasm")'.dependencies]
+web-time = "0.2.3"
+[target.'cfg(target_family = "wasm")'.dev-dependencies]
+wasm-bindgen-test = "0.3"
 
 # ------------------------------
 # testing, benchmarking etc 
diff --git a/src/timers/timers.rs b/src/timers/timers.rs
index 741d03f..1177ec2 100644
--- a/src/timers/timers.rs
+++ b/src/timers/timers.rs
@@ -2,14 +2,13 @@ use std::collections::HashMap;
 use std::ops::{Deref, DerefMut};
 
 cfg_if::cfg_if! {
-    if #[cfg(feature="wasm")] {
+    if #[cfg(target_family = "wasm")] {
         use web_time::{Duration, Instant};
     }
     else {
         use std::time::{Duration, Instant};
     }
 }
-        
 
 #[derive(Debug, Default)]
 struct InnerTimer {
diff --git a/tests/basic_qp.rs b/tests/basic_qp.rs
index ac53947..f74060a 100644
--- a/tests/basic_qp.rs
+++ b/tests/basic_qp.rs
@@ -1,4 +1,6 @@
 #![allow(non_snake_case)]
+#[cfg(target_family = "wasm")]
+use wasm_bindgen_test::*;
 
 use clarabel::{algebra::*, solver::*};
 
@@ -173,3 +175,12 @@ fn test_qp_dual_infeasible_ill_cond() {
     assert!(solver.solution.obj_val.is_nan());
     assert!(solver.solution.obj_val_dual.is_nan());
 }
+
+// a minimal test to check that the wasm build is working
+
+#[cfg(target_family = "wasm")]
+#[wasm_bindgen_test]
+fn test_qp_feasible_wasm() {
+    wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
+    test_qp_feasible();
+}