diff --git a/gradle/templates/mppComposeJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle b/gradle/templates/mppComposeJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
index 3d804a813fb..e760748c7df 100644
--- a/gradle/templates/mppComposeJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
+++ b/gradle/templates/mppComposeJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
@@ -28,8 +28,20 @@ kotlin {
         }
     }
     wasmJs {
-        browser()
-        nodejs()
+        browser {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
+        nodejs {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
     }
     androidTarget {
         publishAllLibraryVariants()
diff --git a/gradle/templates/mppJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle b/gradle/templates/mppJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
index e626931c55b..94f6dfd0b66 100644
--- a/gradle/templates/mppJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
+++ b/gradle/templates/mppJvmJsWasmJsAndroidLinuxMingwLinuxArm64Project.gradle
@@ -28,8 +28,20 @@ kotlin {
         }
     }
     wasmJs {
-        browser()
-        nodejs()
+        browser {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
+        nodejs {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
     }
     androidTarget {
         publishAllLibraryVariants()
diff --git a/gradle/templates/mppJvmJsWasmJsLinuxMingwProject.gradle b/gradle/templates/mppJvmJsWasmJsLinuxMingwProject.gradle
index 1e0ac854f87..e4a4c41267c 100644
--- a/gradle/templates/mppJvmJsWasmJsLinuxMingwProject.gradle
+++ b/gradle/templates/mppJvmJsWasmJsLinuxMingwProject.gradle
@@ -28,8 +28,20 @@ kotlin {
         }
     }
     wasmJs {
-        browser()
-        nodejs()
+        browser {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
+        nodejs {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
     }
     linuxX64()
     mingwX64()
diff --git a/gradle/templates/mppProjectWithSerializationAndCompose.gradle b/gradle/templates/mppProjectWithSerializationAndCompose.gradle
index 4ee03b48c2a..455cf774601 100644
--- a/gradle/templates/mppProjectWithSerializationAndCompose.gradle
+++ b/gradle/templates/mppProjectWithSerializationAndCompose.gradle
@@ -28,8 +28,20 @@ kotlin {
         }
     }
     wasmJs {
-        browser()
-        nodejs()
+        browser {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
+        nodejs {
+            testTask {
+                useKarma {
+                    timeout = Duration.ofSeconds(240)
+                }
+            }
+        }
     }
     androidTarget {
         publishAllLibraryVariants()