diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
index e9d972e9d..fe0bdeb77 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
@@ -737,7 +737,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
         config.getDynamoDbTables().getOnetimeDonations().getTableName(), config.getDynamoDbTables().getOnetimeDonations().getExpiration(), dynamoDbAsyncClient);
     RedeemedReceiptsManager redeemedReceiptsManager = new RedeemedReceiptsManager(clock,
         config.getDynamoDbTables().getRedeemedReceipts().getTableName(),
-        dynamoDbAsyncClient,
+        dynamoDbClient,
         config.getDynamoDbTables().getRedeemedReceipts().getExpiration());
     Subscriptions subscriptions = new Subscriptions(
         config.getDynamoDbTables().getSubscriptions().getTableName(), dynamoDbAsyncClient);
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/backup/BackupAuthManager.java b/service/src/main/java/org/whispersystems/textsecuregcm/backup/BackupAuthManager.java
index 6742c4ecf..9d31493c1 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/backup/BackupAuthManager.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/backup/BackupAuthManager.java
@@ -266,8 +266,7 @@ public class BackupAuthManager {
     }
 
     boolean receiptAllowed = redeemedReceiptsManager
-        .put(receiptSerial, receiptExpiration.getEpochSecond(), receiptLevel, account.getUuid())
-        .join();
+        .put(receiptSerial, receiptExpiration.getEpochSecond(), receiptLevel, account.getUuid());
     if (!receiptAllowed) {
       throw new BackupBadReceiptException("receipt serial is already redeemed");
     }
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/DonationController.java b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/DonationController.java
index 014aa493d..8b31533b3 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/DonationController.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/DonationController.java
@@ -117,7 +117,7 @@ public class DonationController {
     }
 
     final boolean receiptMatched = redeemedReceiptsManager.put(
-        receiptSerial, receiptExpiration.getEpochSecond(), receiptLevel, auth.accountIdentifier()).join();
+        receiptSerial, receiptExpiration.getEpochSecond(), receiptLevel, auth.accountIdentifier());
     if (!receiptMatched) {
       return Response.status(Status.BAD_REQUEST)
           .entity("receipt serial is already redeemed")
diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManager.java b/service/src/main/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManager.java
index b59ee48d6..af5637782 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManager.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManager.java
@@ -11,15 +11,15 @@ import java.time.Instant;
 import java.util.Map;
 import java.util.Objects;
 import java.util.UUID;
-import java.util.concurrent.CompletableFuture;
 import javax.annotation.Nonnull;
 import org.signal.libsignal.zkgroup.receipts.ReceiptSerial;
 import org.whispersystems.textsecuregcm.util.AttributeValues;
 import org.whispersystems.textsecuregcm.util.UUIDUtil;
-import software.amazon.awssdk.services.dynamodb.DynamoDbAsyncClient;
+import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
 import software.amazon.awssdk.services.dynamodb.model.AttributeValue;
 import software.amazon.awssdk.services.dynamodb.model.ReturnValue;
 import software.amazon.awssdk.services.dynamodb.model.UpdateItemRequest;
+import software.amazon.awssdk.services.dynamodb.model.UpdateItemResponse;
 
 public class RedeemedReceiptsManager {
 
@@ -32,13 +32,13 @@ public class RedeemedReceiptsManager {
 
   private final Clock clock;
   private final String table;
-  private final DynamoDbAsyncClient client;
+  private final DynamoDbClient client;
   private final Duration expirationTime;
 
   public RedeemedReceiptsManager(
       @Nonnull final Clock clock,
       @Nonnull final String table,
-      @Nonnull final DynamoDbAsyncClient client,
+      @Nonnull final DynamoDbClient client,
       @Nonnull final Duration expirationTime) {
     this.clock = Objects.requireNonNull(clock);
     this.table = Objects.requireNonNull(table);
@@ -51,7 +51,7 @@ public class RedeemedReceiptsManager {
    * receiptLevel}, and {@code accountUuid} provided or if an existing entry already exists with the same values thereby
    * allowing idempotent request processing.
    */
-  public CompletableFuture<Boolean> put(
+  public boolean put(
       @Nonnull final ReceiptSerial receiptSerial,
       final long receiptExpiration,
       final long receiptLevel,
@@ -87,13 +87,13 @@ public class RedeemedReceiptsManager {
             ":account_uuid", AttributeValues.b(accountUuid),
             ":redemption_time", AttributeValues.n(now.getEpochSecond())))
         .build();
-    return client.updateItem(updateItemRequest).thenApply(updateItemResponse -> {
+    final UpdateItemResponse updateItemResponse = client.updateItem(updateItemRequest);
+
       final Map<String, AttributeValue> attributes = updateItemResponse.attributes();
       final long ddbReceiptExpiration = Long.parseLong(attributes.get(KEY_RECEIPT_EXPIRATION).n());
       final long ddbReceiptLevel = Long.parseLong(attributes.get(KEY_RECEIPT_LEVEL).n());
       final UUID ddbAccountUuid = UUIDUtil.fromByteBuffer(attributes.get(KEY_ACCOUNT_UUID).b().asByteBuffer());
       return ddbReceiptExpiration == receiptExpiration && ddbReceiptLevel == receiptLevel &&
           Objects.equals(ddbAccountUuid, accountUuid);
-    });
   }
 }
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/backup/BackupAuthManagerTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/backup/BackupAuthManagerTest.java
index c056203e7..961d32f8f 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/backup/BackupAuthManagerTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/backup/BackupAuthManagerTest.java
@@ -341,7 +341,7 @@ public class BackupAuthManagerTest {
     clock.pin(Instant.EPOCH.plus(Duration.ofDays(1)));
     when(accountsManager.update(any(Account.class), any())).thenReturn(account);
     when(redeemedReceiptsManager.put(any(), eq(expirationTime.getEpochSecond()), eq(201L), eq(aci)))
-        .thenReturn(CompletableFuture.completedFuture(true));
+        .thenReturn(true);
     authManager.redeemReceipt(account, receiptPresentation(201, expirationTime));
     verify(accountsManager, times(1)).update(any(Account.class), any());
   }
@@ -354,7 +354,7 @@ public class BackupAuthManagerTest {
 
     clock.pin(Instant.EPOCH.plus(Duration.ofDays(1)));
     when(redeemedReceiptsManager.put(any(), eq(expirationTime.getEpochSecond()), eq(201L), eq(aci)))
-        .thenReturn(CompletableFuture.completedFuture(true));
+        .thenReturn(true);
     assertThatExceptionOfType(BackupMissingIdCommitmentException.class)
         .isThrownBy(() -> authManager.redeemReceipt(account, receiptPresentation(201, expirationTime)));
   }
@@ -375,7 +375,7 @@ public class BackupAuthManagerTest {
     clock.pin(Instant.EPOCH.plus(Duration.ofDays(1)));
     when(accountsManager.update(any(Account.class), any())).thenReturn(account);
     when(redeemedReceiptsManager.put(any(), eq(newExpirationTime.getEpochSecond()), eq(201L), eq(aci)))
-        .thenReturn(CompletableFuture.completedFuture(true));
+        .thenReturn(true);
     authManager.redeemReceipt(account, receiptPresentation(201, newExpirationTime));
 
     final ArgumentCaptor<Consumer<Account>> updaterCaptor = ArgumentCaptor.captor();
@@ -430,7 +430,7 @@ public class BackupAuthManagerTest {
     clock.pin(Instant.EPOCH.plus(Duration.ofDays(1)));
     when(accountsManager.update(any(Account.class), any())).thenReturn(account);
     when(redeemedReceiptsManager.put(any(), eq(expirationTime.getEpochSecond()), eq(201L), eq(aci)))
-        .thenReturn(CompletableFuture.completedFuture(false));
+        .thenReturn(false);
 
     assertThatExceptionOfType(BackupBadReceiptException.class)
         .isThrownBy(() -> authManager.redeemReceipt(account, receiptPresentation(201, expirationTime)));
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/controllers/DonationControllerTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/controllers/DonationControllerTest.java
index d6526dfa4..818e0e362 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/controllers/DonationControllerTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/controllers/DonationControllerTest.java
@@ -23,7 +23,6 @@ import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import java.util.concurrent.CompletableFuture;
 import org.glassfish.jersey.test.grizzly.GrizzlyWebTestContainerFactory;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
@@ -114,8 +113,7 @@ class DonationControllerTest {
     when(receiptCredentialPresentation.getReceiptLevel()).thenReturn(receiptLevel);
     final long receiptExpiration = nowEpochSeconds + 86400 * 30;
     when(receiptCredentialPresentation.getReceiptExpirationTime()).thenReturn(receiptExpiration);
-    when(redeemedReceiptsManager.put(same(receiptSerial), eq(receiptExpiration), eq(receiptLevel), eq(AuthHelper.VALID_UUID))).thenReturn(
-        CompletableFuture.completedFuture(Boolean.TRUE));
+    when(redeemedReceiptsManager.put(same(receiptSerial), eq(receiptExpiration), eq(receiptLevel), eq(AuthHelper.VALID_UUID))).thenReturn(true);
     when(accountsManager.getByAccountIdentifier(eq(AuthHelper.VALID_UUID)))
         .thenReturn(Optional.of(AuthHelper.VALID_ACCOUNT));
 
@@ -138,8 +136,7 @@ class DonationControllerTest {
     when(receiptCredentialPresentation.getReceiptLevel()).thenReturn(receiptLevel);
     final long receiptExpiration = nowEpochSeconds + 86400 * 30;
     when(receiptCredentialPresentation.getReceiptExpirationTime()).thenReturn(receiptExpiration);
-    when(redeemedReceiptsManager.put(same(receiptSerial), eq(receiptExpiration), eq(receiptLevel), eq(AuthHelper.VALID_UUID))).thenReturn(
-        CompletableFuture.completedFuture(Boolean.FALSE));
+    when(redeemedReceiptsManager.put(same(receiptSerial), eq(receiptExpiration), eq(receiptLevel), eq(AuthHelper.VALID_UUID))).thenReturn(false);
     when(accountsManager.getByAccountIdentifier(eq(AuthHelper.VALID_UUID)))
         .thenReturn(Optional.of(AuthHelper.VALID_ACCOUNT));
 
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManagerTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManagerTest.java
index abd7aab50..b2d5c3dc3 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManagerTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/storage/RedeemedReceiptsManagerTest.java
@@ -10,7 +10,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import java.time.Clock;
 import java.time.Duration;
 import java.time.Instant;
-import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -39,7 +38,7 @@ class RedeemedReceiptsManagerTest {
     redeemedReceiptsManager = new RedeemedReceiptsManager(
         clock,
         Tables.REDEEMED_RECEIPTS.tableName(),
-        DYNAMO_DB_EXTENSION.getDynamoDbAsyncClient(),
+        DYNAMO_DB_EXTENSION.getDynamoDbClient(),
         Duration.ofDays(90));
   }
 
@@ -47,22 +46,22 @@ class RedeemedReceiptsManagerTest {
   void testPut() throws ExecutionException, InterruptedException {
     final long receiptExpiration = 42;
     final long receiptLevel = 3;
-    CompletableFuture<Boolean> put;
+    boolean put;
 
     // initial insert should return true
     put = redeemedReceiptsManager.put(receiptSerial, receiptExpiration, receiptLevel, AuthHelper.VALID_UUID);
-    assertThat(put.get()).isTrue();
+    assertThat(put).isTrue();
 
     // subsequent attempted inserts with modified parameters should return false
     put = redeemedReceiptsManager.put(receiptSerial, receiptExpiration + 1, receiptLevel, AuthHelper.VALID_UUID);
-    assertThat(put.get()).isFalse();
+    assertThat(put).isFalse();
     put = redeemedReceiptsManager.put(receiptSerial, receiptExpiration, receiptLevel + 1, AuthHelper.VALID_UUID);
-    assertThat(put.get()).isFalse();
+    assertThat(put).isFalse();
     put = redeemedReceiptsManager.put(receiptSerial, receiptExpiration, receiptLevel, AuthHelper.VALID_UUID_TWO);
-    assertThat(put.get()).isFalse();
+    assertThat(put).isFalse();
 
     // repeated insert attempt of the original parameters should return true
     put = redeemedReceiptsManager.put(receiptSerial, receiptExpiration, receiptLevel, AuthHelper.VALID_UUID);
-    assertThat(put.get()).isTrue();
+    assertThat(put).isTrue();
   }
 }