diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 664a081a..22acd9a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,3 +51,21 @@ jobs:
            nativeParent/test
            "project jsParent"
            testSequential
+  wasm:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+    - uses: actions/setup-java@2dfa2011c5b2a0f1489bf9e433881c92c1631f88 # v4.3.0
+      with:
+        java-version: 21
+        distribution: temurin
+    - uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
+      with:
+        node-version: 22
+    - uses: coursier/cache-action@142d2738bd29f0eb9d44610828acb3a19809feab # v6.4.6
+    - run: ./sbt -v
+           -jvm-opts .github/workflows/.jvmopts
+           -Dscala_js_wasm
+           "project jsParent"
+           testSequential
diff --git a/project/build.scala b/project/build.scala
index a80cd43e..b700ddfc 100644
--- a/project/build.scala
+++ b/project/build.scala
@@ -12,6 +12,7 @@ import scalajscrossproject.ScalaJSCrossPlugin.autoImport.*
 import scalanative.sbtplugin.ScalaNativePlugin.autoImport.*
 import scalanativecrossproject.ScalaNativeCrossPlugin.autoImport.*
 import org.portablescala.sbtplatformdeps.PlatformDepsPlugin.autoImport.*
+import org.scalajs.sbtplugin.ScalaJSPlugin.autoImport.*
 
 object build {
   type Sett = Def.Setting[?]
@@ -161,6 +162,26 @@ object build {
         mimaPreviousArtifacts := previousVersions.value.map { n =>
           organization.value %% s"${Keys.name.value}_sjs1" % n
         }.toSet,
+        if (sys.props.isDefinedAt("scala_js_wasm")) {
+          Def.settings(
+            scalaJSLinkerConfig ~= (_.withExperimentalUseWebAssembly(true).withModuleKind(ModuleKind.ESModule)),
+            jsEnv := {
+              import org.scalajs.jsenv.nodejs.NodeJSEnv
+              val config = NodeJSEnv
+                .Config()
+                .withArgs(
+                  List(
+                    "--experimental-wasm-exnref",
+                    "--experimental-wasm-imported-strings",
+                    "--turboshaft-wasm",
+                  )
+                )
+              new NodeJSEnv(config)
+            },
+          )
+        } else {
+          Def.settings()
+        },
         scalacOptions += {
           val a = (LocalRootProject / baseDirectory).value.toURI.toString
           val g = "https://raw.githubusercontent.com/argonaut-io/argonaut/" + tagOrHash.value