diff --git a/core/src/main/java/google/registry/model/server/Lock.java b/core/src/main/java/google/registry/model/server/Lock.java
index cba3d3cc7..d9488be3e 100644
--- a/core/src/main/java/google/registry/model/server/Lock.java
+++ b/core/src/main/java/google/registry/model/server/Lock.java
@@ -88,8 +88,7 @@ public class Lock extends ImmutableObject implements Serializable {
    * <p>See {@link RequestStatusCheckerImpl#getLogId} for details about how it's created in
    * practice.
    */
-  @Column(nullable = false)
-  String requestLogId;
+  @Column String requestLogId;
 
   /** When the lock can be considered implicitly released. */
   @Column(nullable = false)
diff --git a/db/src/main/resources/sql/er_diagram/brief_er_diagram.html b/db/src/main/resources/sql/er_diagram/brief_er_diagram.html
index 72f6fe7d2..8a0605836 100644
--- a/db/src/main/resources/sql/er_diagram/brief_er_diagram.html
+++ b/db/src/main/resources/sql/er_diagram/brief_er_diagram.html
@@ -261,11 +261,11 @@ td.section {
     </tr>
     <tr>
      <td class="property_name">generated on</td>
-     <td class="property_value">2023-01-20 18:26:00.403125</td>
+     <td class="property_value">2023-01-20 19:50:48.623695</td>
     </tr>
     <tr>
      <td class="property_name">last flyway file</td>
-     <td id="lastFlywayFile" class="property_value">V133__add_pull_queue_replace_columns.sql</td>
+     <td id="lastFlywayFile" class="property_value">V134__drop_not_null_request_id_lock_table.sql</td>
     </tr>
    </tbody>
   </table>
@@ -284,7 +284,7 @@ td.section {
      generated on
     </text>
     <text text-anchor="start" x="3835.5" y="-10.8" font-family="Helvetica,sans-Serif" font-size="14.00">
-     2023-01-20 18:26:00.403125
+     2023-01-20 19:50:48.623695
     </text>
     <polygon fill="none" stroke="#888888" points="3748,-4 3748,-44 4013,-44 4013,-4 3748,-4" /> <!-- allocationtoken_a08ccbef -->
     <g id="node1" class="node">
diff --git a/db/src/main/resources/sql/er_diagram/full_er_diagram.html b/db/src/main/resources/sql/er_diagram/full_er_diagram.html
index 3001c012d..942297618 100644
--- a/db/src/main/resources/sql/er_diagram/full_er_diagram.html
+++ b/db/src/main/resources/sql/er_diagram/full_er_diagram.html
@@ -261,11 +261,11 @@ td.section {
     </tr>
     <tr>
      <td class="property_name">generated on</td>
-     <td class="property_value">2023-01-20 18:25:58.806689</td>
+     <td class="property_value">2023-01-20 19:50:45.218406</td>
     </tr>
     <tr>
      <td class="property_name">last flyway file</td>
-     <td id="lastFlywayFile" class="property_value">V133__add_pull_queue_replace_columns.sql</td>
+     <td id="lastFlywayFile" class="property_value">V134__drop_not_null_request_id_lock_table.sql</td>
     </tr>
    </tbody>
   </table>
@@ -284,7 +284,7 @@ td.section {
      generated on
     </text>
     <text text-anchor="start" x="4519.5" y="-10.8" font-family="Helvetica,sans-Serif" font-size="14.00">
-     2023-01-20 18:25:58.806689
+     2023-01-20 19:50:45.218406
     </text>
     <polygon fill="none" stroke="#888888" points="4432,-4 4432,-44 4697,-44 4697,-4 4432,-4" /> <!-- allocationtoken_a08ccbef -->
     <g id="node1" class="node">
@@ -5672,7 +5672,7 @@ td.section {
      <text text-anchor="start" x="4456" y="-5413.3" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text>
      <text text-anchor="start" x="4464" y="-5413.3" font-family="Helvetica,sans-Serif" font-size="14.00">
-      text not null
+      text
      </text>
      <polygon fill="none" stroke="#888888" points="4347.5,-5406.5 4347.5,-5522.5 4588.5,-5522.5 4588.5,-5406.5 4347.5,-5406.5" /> 
     </g> <!-- packagepromotion_56aa33 -->
@@ -11795,7 +11795,7 @@ td.section {
     <tr>
      <td class="spacer"></td>
      <td class="minwidth">request_log_id</td>
-     <td class="minwidth">text not null</td>
+     <td class="minwidth">text</td>
     </tr>
     <tr>
      <td colspan="3"></td>
diff --git a/db/src/main/resources/sql/flyway.txt b/db/src/main/resources/sql/flyway.txt
index e0e6b9d56..636a996d5 100644
--- a/db/src/main/resources/sql/flyway.txt
+++ b/db/src/main/resources/sql/flyway.txt
@@ -131,3 +131,4 @@ V130__add_login_email_column_to_registrarpoc.sql
 V131__add_default_promo_tokens_to_registry.sql
 V132__drop_gae_user_id_from_registrar_poc.sql
 V133__add_pull_queue_replace_columns.sql
+V134__drop_not_null_request_id_lock_table.sql
diff --git a/db/src/main/resources/sql/flyway/V134__drop_not_null_request_id_lock_table.sql b/db/src/main/resources/sql/flyway/V134__drop_not_null_request_id_lock_table.sql
new file mode 100644
index 000000000..08d0c2780
--- /dev/null
+++ b/db/src/main/resources/sql/flyway/V134__drop_not_null_request_id_lock_table.sql
@@ -0,0 +1,15 @@
+-- Copyright 2022 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+ALTER TABLE "Lock" ALTER COLUMN request_log_id DROP NOT NULL;
diff --git a/db/src/main/resources/sql/schema/db-schema.sql.generated b/db/src/main/resources/sql/schema/db-schema.sql.generated
index 86cf3dcd5..b0525df10 100644
--- a/db/src/main/resources/sql/schema/db-schema.sql.generated
+++ b/db/src/main/resources/sql/schema/db-schema.sql.generated
@@ -488,7 +488,7 @@
         scope text not null,
         acquired_time timestamptz not null,
         expiration_time timestamptz not null,
-        request_log_id text not null,
+        request_log_id text,
         primary key (resource_name, scope)
     );
 
diff --git a/db/src/main/resources/sql/schema/nomulus.golden.sql b/db/src/main/resources/sql/schema/nomulus.golden.sql
index b47498865..394090c83 100644
--- a/db/src/main/resources/sql/schema/nomulus.golden.sql
+++ b/db/src/main/resources/sql/schema/nomulus.golden.sql
@@ -645,7 +645,7 @@ CREATE TABLE public."Lock" (
     scope text NOT NULL,
     acquired_time timestamp with time zone NOT NULL,
     expiration_time timestamp with time zone NOT NULL,
-    request_log_id text NOT NULL
+    request_log_id text
 );