diff --git a/.constraints/py3.10.txt b/.constraints/py3.10.txt
index bde54424..b050ac45 100644
--- a/.constraints/py3.10.txt
+++ b/.constraints/py3.10.txt
@@ -233,7 +233,7 @@ 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 0f2197c5..3db13156 100644
--- a/.constraints/py3.11.txt
+++ b/.constraints/py3.11.txt
@@ -231,7 +231,7 @@ 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 2aa8a7ad..d6e73bf3 100644
--- a/.constraints/py3.12.txt
+++ b/.constraints/py3.12.txt
@@ -230,7 +230,7 @@ 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 0f8627e6..3092e76a 100644
--- a/.constraints/py3.9.txt
+++ b/.constraints/py3.9.txt
@@ -234,7 +234,7 @@ 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 252b64e4..01c579f5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -42,7 +42,7 @@ repos:
             metadata.vscode
 
   - repo: https://github.com/ComPWA/policy
-    rev: 0.3.17
+    rev: 0.3.18
     hooks:
       - id: check-dev-files
         args: