diff --git a/modules/yugabytedb/build.gradle b/modules/yugabytedb/build.gradle
index 2f04334ecb2..01c8b8d1928 100644
--- a/modules/yugabytedb/build.gradle
+++ b/modules/yugabytedb/build.gradle
@@ -4,7 +4,7 @@ dependencies {
     api project(':jdbc')
     testImplementation project(':jdbc-test')
     // YCQL driver
-    testImplementation 'com.yugabyte:java-driver-core:4.6.0-yb-12'
+    testImplementation 'com.yugabyte:java-driver-core:4.15.0-yb-1'
     // YSQL driver
     testRuntimeOnly 'com.yugabyte:jdbc-yugabytedb:42.3.5-yb-3'
 }
diff --git a/modules/yugabytedb/src/test/java/org/testcontainers/junit/yugabytedb/YugabyteDBYCQLTest.java b/modules/yugabytedb/src/test/java/org/testcontainers/junit/yugabytedb/YugabyteDBYCQLTest.java
index 62b299edea8..fe4723b409f 100644
--- a/modules/yugabytedb/src/test/java/org/testcontainers/junit/yugabytedb/YugabyteDBYCQLTest.java
+++ b/modules/yugabytedb/src/test/java/org/testcontainers/junit/yugabytedb/YugabyteDBYCQLTest.java
@@ -26,6 +26,8 @@ public void testSmoke() {
             final YugabyteDBYCQLContainer ycqlContainer = new YugabyteDBYCQLContainer(
                 "yugabytedb/yugabyte:2.14.4.0-b26"
             )
+                .withUsername("cassandra")
+                .withPassword("cassandra")
             // }
         ) {
             // startingYCQLContainer {
@@ -43,6 +45,8 @@ public void testCustomKeyspace() {
         try (
             final YugabyteDBYCQLContainer ycqlContainer = new YugabyteDBYCQLContainer(YBDB_TEST_IMAGE)
                 .withKeyspaceName(key)
+                .withUsername("cassandra")
+                .withPassword("cassandra")
         ) {
             ycqlContainer.start();
             assertThat(
@@ -81,8 +85,8 @@ public void testAuthenticationEnabled() {
     public void testAuthenticationDisabled() {
         try (
             final YugabyteDBYCQLContainer ycqlContainer = new YugabyteDBYCQLContainer(YBDB_TEST_IMAGE)
-                .withPassword("")
-                .withUsername("")
+                .withPassword("cassandra")
+                .withUsername("cassandra")
         ) {
             ycqlContainer.start();
             assertThat(performQuery(ycqlContainer, "SELECT release_version FROM system.local").wasApplied())
@@ -110,7 +114,11 @@ public void testInitScript() {
 
     @Test
     public void shouldStartWhenContainerIpIsUsedInWaitStrategy() {
-        try (final YugabyteDBYCQLContainer ycqlContainer = new YugabyteDBYCQLContainer(IMAGE_NAME_2_18)) {
+        try (
+            final YugabyteDBYCQLContainer ycqlContainer = new YugabyteDBYCQLContainer(IMAGE_NAME_2_18)
+                .withUsername("cassandra")
+                .withPassword("cassandra")
+        ) {
             ycqlContainer.start();
             boolean isQueryExecuted = performQuery(ycqlContainer, "SELECT release_version FROM system.local")
                 .wasApplied();