diff --git a/src/test/java/bee/api/DependencyTest.java b/src/test/java/bee/api/DependencyTest.java
index f0ab55e01..2c45181c9 100644
--- a/src/test/java/bee/api/DependencyTest.java
+++ b/src/test/java/bee/api/DependencyTest.java
@@ -15,11 +15,14 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 
 import antibug.CleanRoom;
 import bee.BlinkProject;
 import psychopath.Locator;
 
+@Execution(ExecutionMode.SAME_THREAD)
 class DependencyTest {
 
     @RegisterExtension
diff --git a/src/test/java/bee/api/LibraryTest.java b/src/test/java/bee/api/LibraryTest.java
index 3a9e5e36a..043dd708f 100644
--- a/src/test/java/bee/api/LibraryTest.java
+++ b/src/test/java/bee/api/LibraryTest.java
@@ -14,11 +14,14 @@
 import org.junit.jupiter.api.condition.EnabledOnOs;
 import org.junit.jupiter.api.condition.OS;
 import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 
 import antibug.CleanRoom;
 import bee.BlinkProject;
 import psychopath.Locator;
 
+@Execution(ExecutionMode.SAME_THREAD)
 class LibraryTest {
 
     @RegisterExtension