diff --git a/build.gradle.kts b/build.gradle.kts
index 4874d203bf..5529d0fecb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -151,6 +151,12 @@ allprojects {
     }
 }
 
+allprojects {
+    tasks.withType<Test> {
+        maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
+    }
+}
+
 allprojects {
     apply(plugin = "kover")
 }