diff --git a/.constraints/py3.10.txt b/.constraints/py3.10.txt
index 7e7dfcb..6700d27 100644
--- a/.constraints/py3.10.txt
+++ b/.constraints/py3.10.txt
@@ -175,7 +175,7 @@ uri-template==1.3.0
 urllib3==2.2.2
 uvicorn==0.30.5
 virtualenv==20.26.3
-watchfiles==0.22.0
+watchfiles==0.23.0
 wcwidth==0.2.13
 webcolors==24.6.0
 webencodings==0.5.1
diff --git a/.constraints/py3.11.txt b/.constraints/py3.11.txt
index eefcdb7..76bb708 100644
--- a/.constraints/py3.11.txt
+++ b/.constraints/py3.11.txt
@@ -173,7 +173,7 @@ uri-template==1.3.0
 urllib3==2.2.2
 uvicorn==0.30.5
 virtualenv==20.26.3
-watchfiles==0.22.0
+watchfiles==0.23.0
 wcwidth==0.2.13
 webcolors==24.6.0
 webencodings==0.5.1
diff --git a/.constraints/py3.12.txt b/.constraints/py3.12.txt
index 5f88044..b6b8ec2 100644
--- a/.constraints/py3.12.txt
+++ b/.constraints/py3.12.txt
@@ -173,7 +173,7 @@ uri-template==1.3.0
 urllib3==2.2.2
 uvicorn==0.30.5
 virtualenv==20.26.3
-watchfiles==0.22.0
+watchfiles==0.23.0
 wcwidth==0.2.13
 webcolors==24.6.0
 webencodings==0.5.1
diff --git a/.constraints/py3.9.txt b/.constraints/py3.9.txt
index b2fbb76..f1c217a 100644
--- a/.constraints/py3.9.txt
+++ b/.constraints/py3.9.txt
@@ -176,7 +176,7 @@ uri-template==1.3.0
 urllib3==2.2.2
 uvicorn==0.30.5
 virtualenv==20.26.3
-watchfiles==0.22.0
+watchfiles==0.23.0
 wcwidth==0.2.13
 webcolors==24.6.0
 webencodings==0.5.1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 00eafa0..78a43fb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,7 +39,7 @@ repos:
             metadata.vscode
 
   - repo: https://github.com/ComPWA/policy
-    rev: 0.3.17
+    rev: 0.3.18
     hooks:
       - id: check-dev-files
         args: