diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4ebe63b..c22b976 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,6 +11,13 @@ repos:
       - id: mixed-line-ending
       - id: trailing-whitespace
 
+  - repo: https://github.com/gitleaks/gitleaks
+    rev: v8.30.1
+    hooks:
+      - id: gitleaks
+        entry: gitleaks dir --redact --verbose .
+        pass_filenames: false
+
   - repo: https://github.com/rhysd/actionlint
     rev: v1.7.12
     hooks: