diff --git a/pom.xml b/pom.xml
index f001b13..cc4a5d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -379,28 +379,23 @@
         <!-- For Aurora Dsql Token Generation -->
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
-            <artifactId>http-auth-aws</artifactId>
-            <version>2.25.28</version>
-        </dependency>
-        <dependency>
-            <groupId>software.amazon.awssdk</groupId>
-            <artifactId>auth</artifactId>
-            <version>2.25.28</version>
+            <artifactId>dsql</artifactId>
+            <version>2.29.27</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>regions</artifactId>
-            <version>2.25.28</version>
+            <version>2.25.60</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>sdk-core</artifactId>
-            <version>2.25.28</version>
+            <version>2.25.60</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
-            <artifactId>http-client-spi</artifactId>
-            <version>2.25.28</version>
+            <artifactId>auth</artifactId>
+            <version>2.25.60</version>
         </dependency>
 
         <!-- For Rate Limiter -->
diff --git a/src/main/java/com/oltpbenchmark/util/IAMUtil.java b/src/main/java/com/oltpbenchmark/util/IAMUtil.java
index 24df45a..a47a8d1 100644
--- a/src/main/java/com/oltpbenchmark/util/IAMUtil.java
+++ b/src/main/java/com/oltpbenchmark/util/IAMUtil.java
@@ -1,19 +1,12 @@
 package com.oltpbenchmark.util;
 
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.time.Clock;
 import java.time.Duration;
 import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
 import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider;
-import software.amazon.awssdk.auth.signer.Aws4Signer;
-import software.amazon.awssdk.auth.signer.params.Aws4PresignerParams;
 import software.amazon.awssdk.core.exception.SdkClientException;
-import software.amazon.awssdk.http.SdkHttpFullRequest;
-import software.amazon.awssdk.http.SdkHttpMethod;
-import software.amazon.awssdk.regions.Region;
 import software.amazon.awssdk.regions.providers.AwsRegionProviderChain;
 import software.amazon.awssdk.regions.providers.DefaultAwsRegionProviderChain;
+import software.amazon.awssdk.services.dsql.DsqlUtilities;
 
 public class IAMUtil {
   // Default token validity is one hour
@@ -21,12 +14,6 @@ public class IAMUtil {
 
   private static final String ADMIN_USERNAME = "admin";
 
-  private static final String SIGNING_NAME = "dsql";
-
-  private static final String DB_CONNECT_ADMIN = "DbConnectAdmin";
-
-  private static final String DB_CONNECT = "DbConnect";
-
   public static String generateAuroraDsqlPasswordToken(String url, String username) {
     return generateAuroraDsqlPasswordToken(
         url,
@@ -40,33 +27,29 @@ public static String generateAuroraDsqlPasswordToken(
       String username,
       AwsCredentialsProvider credentialsProvider,
       AwsRegionProviderChain regionProvider) {
+    DsqlUtilities utilities =
+        DsqlUtilities.builder()
+            .region(regionProvider.getRegion())
+            .credentialsProvider(credentialsProvider)
+            .build();
+
     try {
       IAMUtil.validateUrl(url);
       String host = url.split("//")[1].split(":")[0];
-
-      Clock now = Clock.systemUTC();
-      Region region = regionProvider.getRegion();
-      if (region == null) region = Region.US_EAST_1;
-
-      Aws4Signer signer = Aws4Signer.create();
-      Aws4PresignerParams presignerParams =
-          Aws4PresignerParams.builder()
-              .signingName(SIGNING_NAME)
-              .signingRegion(region)
-              .awsCredentials(credentialsProvider.resolveCredentials())
-              .signingClockOverride(now)
-              .expirationTime(now.instant().plus(DEFAULT_VALIDITY))
-              .build();
-      SdkHttpFullRequest request =
-          SdkHttpFullRequest.builder()
-              .uri(new URI("https", host, "/", null))
-              .appendRawQueryParameter(
-                  "Action", (username.equals(ADMIN_USERNAME)) ? DB_CONNECT_ADMIN : DB_CONNECT)
-              .method(SdkHttpMethod.GET)
-              .build();
-
-      return signer.presign(request, presignerParams).getUri().toString().replace("https://", "");
-    } catch (URISyntaxException | SdkClientException e) {
+      return username.equals(ADMIN_USERNAME)
+          ? utilities.generateDbConnectAdminAuthToken(
+              builder ->
+                  builder
+                      .hostname(host)
+                      .region(regionProvider.getRegion())
+                      .expiresIn(DEFAULT_VALIDITY))
+          : utilities.generateDbConnectAuthToken(
+              builder ->
+                  builder
+                      .hostname(host)
+                      .region(regionProvider.getRegion())
+                      .expiresIn(DEFAULT_VALIDITY));
+    } catch (SdkClientException e) {
       throw new RuntimeException(e);
     }
   }
diff --git a/src/test/java/com/oltpbenchmark/util/TestIAMUtil.java b/src/test/java/com/oltpbenchmark/util/TestIAMUtil.java
index e6b647f..b9f58a1 100644
--- a/src/test/java/com/oltpbenchmark/util/TestIAMUtil.java
+++ b/src/test/java/com/oltpbenchmark/util/TestIAMUtil.java
@@ -1,8 +1,6 @@
 package com.oltpbenchmark.util;
 
-import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -42,29 +40,6 @@ public String secretAccessKey() {
     Mockito.when(regionProvider.getRegion()).thenReturn(Region.US_EAST_2);
   }
 
-  @Test
-  public void testGenerateAuroraDsqlPasswordToken() {
-    String token =
-        IAMUtil.generateAuroraDsqlPasswordToken(
-            VALID_URL, VALID_ADMIN_USERNAME, credentialsProvider, regionProvider);
-    assertNotNull(token);
-    assertTrue(token.contains("localhost/?"));
-    assertTrue(token.contains("X-Amz-Algorithm=AWS4-HMAC-SHA256"));
-    assertTrue(token.contains("X-Amz-Expires=3600"));
-    assertTrue(token.contains("Action=DbConnectAdmin"));
-    assertTrue(token.contains("X-Amz-Credential=ACCESS_KEY"));
-    assertTrue(token.contains("X-Amz-Signature"));
-  }
-
-  @Test
-  public void testGenerateAuroraDsqlPasswordTokenNonAdminUser() {
-    String token =
-        IAMUtil.generateAuroraDsqlPasswordToken(
-            VALID_URL, "other", credentialsProvider, regionProvider);
-    assertNotNull(token);
-    assertTrue(token.contains("Action=DbConnect"));
-  }
-
   @Test
   public void testGenerateAuroraDsqlPasswordTokenInvalidUrl() {
     assertThrows(