diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5fcd3b20..0810dd41 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,14 +6,14 @@
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
-    hooks:
-    -   id: check-yaml
-    -   id: end-of-file-fixer
-    -   id: trailing-whitespace
-    -   id: mixed-line-ending
-      args: [--fix=lf]
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.6.0
+  hooks:
+  -   id: check-yaml
+  -   id: end-of-file-fixer
+  -   id: trailing-whitespace
+  -   id: mixed-line-ending
+  args: [--fix=lf]
 - repo: https://github.com/astral-sh/ruff-pre-commit
   rev: v0.15.12
   hooks:
diff --git a/horde/classes/base/waiting_prompt.py b/horde/classes/base/waiting_prompt.py
index 841893cd..3c7b33bc 100644
--- a/horde/classes/base/waiting_prompt.py
+++ b/horde/classes/base/waiting_prompt.py
@@ -80,7 +80,7 @@ class WPModels(db.Model):
     # See WPAllowedWorkers: the pop candidate query and wp_has_valid_workers
     # probe wp_models per WP through EXISTS subqueries.
     __table_args__ = (db.Index("ix_wp_models_wp_id_model", "wp_id", "model"),)
-    id = db.Column(db.Integer, primary_key=True)
+    id = db.Column(db.BigInteger, primary_key=True)
     wp_id = db.Column(
         uuid_column_type(),
         db.ForeignKey("waiting_prompts.id", ondelete="CASCADE"),
diff --git a/horde/consts.py b/horde/consts.py
index 441f733c..bbd9f733 100644
--- a/horde/consts.py
+++ b/horde/consts.py
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-HORDE_VERSION = "5.1.3"
+HORDE_VERSION = "5.1.5"
 HORDE_API_VERSION = "2.5"
 
 WHITELISTED_SERVICE_IPS = {
diff --git a/sql_statements/5.1.5.txt b/sql_statements/5.1.5.txt
new file mode 100644
index 00000000..ab7b72c0
--- /dev/null
+++ b/sql_statements/5.1.5.txt
@@ -0,0 +1,2 @@
+ALTER TABLE wp_models ALTER COLUMN id TYPE BIGINT;
+ALTER SEQUENCE wp_models_id_seq AS BIGINT;
diff --git a/sql_statements/5.1.5.txt.license b/sql_statements/5.1.5.txt.license
new file mode 100644
index 00000000..8140c6e2
--- /dev/null
+++ b/sql_statements/5.1.5.txt.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: Konstantinos Thoukydidis <mail@dbzer0.com>
+
+SPDX-License-Identifier: AGPL-3.0-or-later