diff --git a/json-schema-validator/build.gradle.kts b/json-schema-validator/build.gradle.kts
index c1ed4fea..3545b0a8 100644
--- a/json-schema-validator/build.gradle.kts
+++ b/json-schema-validator/build.gradle.kts
@@ -145,6 +145,9 @@ kotlin {
     generateTypeScriptDefinitions()
     nodejs()
   }
+  wasmJs {
+    nodejs()
+  }
   applyDefaultHierarchyTemplate()
 
   val macOsTargets =
@@ -168,7 +171,7 @@ kotlin {
     )
 
   sourceSets {
-    commonMain {
+    val commonMain by getting {
       kotlin.srcDirs(generatedSourceDirectory)
 
       dependencies {
@@ -182,11 +185,33 @@ kotlin {
         ) {
           because("simplifies work with unicode codepoints")
         }
+      }
+    }
+
+    val wasmJsMain by getting {
+
+    }
+
+    val nonWasmJsMain by creating {
+      dependsOn(commonMain)
+
+      dependencies {
         implementation(libs.normalize.get().toString()) {
           because("provides normalization required by IDN-hostname format")
         }
       }
     }
+
+    val jvmMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+    val jsMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+    val nativeMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+
     commonTest {
       dependencies {
         implementation(libs.kotest.assertions.core)
diff --git a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
index 898dcfca..9a881b65 100644
--- a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
+++ b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
@@ -7,8 +7,8 @@ import io.github.optimumcode.json.schema.FormatValidator
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.LTR
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.NONE
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.RTL
-import io.github.optimumcode.json.schema.internal.hostname.Normalizer
 import io.github.optimumcode.json.schema.internal.hostname.Punycode
+import io.github.optimumcode.json.schema.internal.hostname.isNormalized
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory.ENCLOSING_MARK
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory.NONSPACING_MARK
@@ -108,7 +108,7 @@ internal object IdnHostnameFormatValidator : AbstractStringFormatValidator() {
         label
       }
 
-    if (!Normalizer.isNormalized(unicode)) {
+    if (!isNormalized(unicode)) {
       return false
     }
 
diff --git a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
index 1f78b1a7..01b5cb9c 100644
--- a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
+++ b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
@@ -1,10 +1,3 @@
 package io.github.optimumcode.json.schema.internal.hostname
 
-import doist.x.normalize.Form
-import doist.x.normalize.normalize
-
-internal object Normalizer {
-  fun isNormalized(label: String): Boolean {
-    return label.normalize(Form.NFC) == label
-  }
-}
\ No newline at end of file
+public expect fun isNormalized(label: String): Boolean
\ No newline at end of file
diff --git a/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt b/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt
new file mode 100644
index 00000000..75201a13
--- /dev/null
+++ b/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt
@@ -0,0 +1,8 @@
+package io.github.optimumcode.json.schema.internal.hostname
+
+import doist.x.normalize.Form
+import doist.x.normalize.normalize
+
+public actual fun isNormalized(label: String): Boolean {
+  return label.normalize(Form.NFC) == label
+}
\ No newline at end of file
diff --git a/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt b/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt
new file mode 100644
index 00000000..c52964be
--- /dev/null
+++ b/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt
@@ -0,0 +1,6 @@
+package io.github.optimumcode.json.schema.internal.hostname
+
+public actual fun isNormalized(label: String): Boolean {
+  // depending library does not yet support wasm: https://github.com/OptimumCode/json-schema-validator/issues/177#issuecomment-2268482409
+  return true
+}
\ No newline at end of file
diff --git a/test-suites/build.gradle.kts b/test-suites/build.gradle.kts
index 55c11e16..b1905da6 100644
--- a/test-suites/build.gradle.kts
+++ b/test-suites/build.gradle.kts
@@ -27,6 +27,9 @@ kotlin {
   js(IR) {
     nodejs()
   }
+  wasmJs {
+    nodejs()
+  }
   applyDefaultHierarchyTemplate()
 
   val macOsTargets =