diff --git a/.gitleaks.toml b/.gitleaks.toml
new file mode 100644
index 0000000..5cbcbcf
--- /dev/null
+++ b/.gitleaks.toml
@@ -0,0 +1,9 @@
+title = "DASG Standard"
+
+[extend]
+  useDefault = true
+
+[[rules]]
+  id = "mbi-detection"
+  description = "Detects a potential MBI pattern based on https://www.cms.gov/medicare/new-medicare-card/understanding-the-mbi.pdf"
+  regex = '''\b((?i)[1-9][ACDEFGHJKMNPQRTUVWXY][ACDEFGHJKMNPQRTUVWXY\d]-?\d[ACDEFGHJKMNPQRTUVWXY][ACDEFGHJKMNPQRTUVWXY\d]\d-?[ACDEFGHJKMNPQRTUVWXY]{2}\d{2})\b'''
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c9528f4..f07a239 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,5 +1,5 @@
 repos:
   - repo: https://github.com/gitleaks/gitleaks
-    rev: v8.16.1
+    rev: v8.19.2
     hooks:
       - id: gitleaks