diff --git a/.gitleaks.toml b/.gitleaks.toml
index 0a72adf..95ba52a 100644
--- a/.gitleaks.toml
+++ b/.gitleaks.toml
@@ -15,3 +15,9 @@ id = "local-workstation-path"
 description = "Local workstation home directory path"
 regex = '''(/Users|/home)/[A-Za-z0-9_.-]+/'''
 keywords = ["/users/", "/home/"]
+
+[[rules]]
+id = "fanout-bearer-secret"
+description = "Fanout opaque bearer secret"
+regex = '''fo[iacr]_[A-Za-z0-9_-]{43}\b'''
+keywords = ["foi_", "foa_", "for_", "foc_"]