diff --git a/core/src/test/java/com/google/cloud/sql/core/RefreshAheadStrategyTest.java b/core/src/test/java/com/google/cloud/sql/core/RefreshAheadStrategyTest.java
index 8357e4fbd..60a0aab9e 100644
--- a/core/src/test/java/com/google/cloud/sql/core/RefreshAheadStrategyTest.java
+++ b/core/src/test/java/com/google/cloud/sql/core/RefreshAheadStrategyTest.java
@@ -30,7 +30,10 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
 
+@RunWith(JUnit4.class)
 public class RefreshAheadStrategyTest {
 
   public static final long TEST_TIMEOUT_MS = 3000;