diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 05c2e073..697ac9b6 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -495,6 +495,8 @@ tasks.withType<Test>().configureEach {
     dependsOn(":wolfskin-design:testDebugUnitTest")
     // Android 16 shared-memory setup needs Robolectric's JDK FileDescriptor bridge.
     jvmArgs("--add-exports=java.base/jdk.internal.access=ALL-UNNAMED")
+    // The full suite keeps every Robolectric capture in one worker; the 512 MB default runs out near the end.
+    maxHeapSize = "2g"
     systemProperty("robolectric.dependency.dir", project(":wolfskin-design").layout.buildDirectory.dir("robolectric-sdk").get().asFile.absolutePath)
     systemProperty("robolectric.offline", "true")
     systemProperty("roborazzi.test.record", "true")