diff --git a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/StatementTimeoutTest.java b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/StatementTimeoutTest.java
index eac4c38d17..e179abdf99 100644
--- a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/StatementTimeoutTest.java
+++ b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/StatementTimeoutTest.java
@@ -81,7 +81,7 @@ public class StatementTimeoutTest extends AbstractMockServerTest {
    * still high enough that it would normally not be exceeded for a statement that is executed
    * directly.
    */
-  private static final int TIMEOUT_FOR_SLOW_STATEMENTS = 20;
+  private static final int TIMEOUT_FOR_SLOW_STATEMENTS = 50;
 
   ITConnection createConnection() {
     StringBuilder url = new StringBuilder(getBaseUrl());