diff --git a/libraries/kotlin.test/build.gradle.kts b/libraries/kotlin.test/build.gradle.kts
index 43787f016fd92..eb29cc71693fd 100644
--- a/libraries/kotlin.test/build.gradle.kts
+++ b/libraries/kotlin.test/build.gradle.kts
@@ -274,9 +274,13 @@ dependencies {
 }
 
 artifacts {
-    val wasmJar = tasks.getByPath(":kotlin-test:kotlin-test-wasm:wasmJar")
-    add(wasmApi.name, wasmJar)
-    add(wasmRuntime.name, wasmJar)
+    val wasmKlib = tasks.getByPath(":kotlin-test:kotlin-test-wasm:wasmJar")
+    add(wasmApi.name, wasmKlib) {
+        extension = "klib"
+    }
+    add(wasmRuntime.name, wasmKlib) {
+        extension = "klib"
+    }
 }
 
 val wasmComponent = componentFactory.adhoc("wasm").apply {
@@ -358,6 +362,13 @@ publishing {
             artifact(tasks.getByPath(":kotlin-test:kotlin-test-js:sourcesJar") as Jar)
             configureKotlinPomAttributes(project, "Kotlin Test for JS")
         }
+        create("wasm", MavenPublication::class) {
+            pom.packaging = "klib"
+            artifactId = "kotlin-test-wasm"
+            from(wasmComponent)
+            artifact(tasks.getByPath(":kotlin-test:kotlin-test-wasm:sourcesJar") as Jar)
+            configureKotlinPomAttributes(project, "Kotlin Test for WASM")
+        }
         create("common", MavenPublication::class) {
             artifactId = "kotlin-test-common"
             from(commonMetadataComponent)
diff --git a/libraries/kotlin.test/wasm/build.gradle.kts b/libraries/kotlin.test/wasm/build.gradle.kts
index e6b89ef4b5ea0..7fda3e050a349 100644
--- a/libraries/kotlin.test/wasm/build.gradle.kts
+++ b/libraries/kotlin.test/wasm/build.gradle.kts
@@ -1,8 +1,3 @@
-/*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
 import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
 
 plugins {
@@ -50,3 +45,10 @@ tasks.named("compileKotlinWasm") {
     (this as KotlinCompile<*>).kotlinOptions.freeCompilerArgs += "-Xir-module-name=kotlin-test"
     dependsOn(commonMainSources)
 }
+
+tasks.register<Jar>("sourcesJar") {
+    dependsOn(commonMainSources)
+    archiveClassifier.set("sources")
+    from(kotlin.sourceSets["commonMain"].kotlin)
+    from(kotlin.sourceSets["wasmMain"].kotlin)
+}