diff --git a/.nspect-allowlist.toml b/.nspect-allowlist.toml
new file mode 100644
index 00000000000..ef79171ed21
--- /dev/null
+++ b/.nspect-allowlist.toml
@@ -0,0 +1,10 @@
+version = "1.0.0"
+
+# Allowlist for test private key in libevent library
+[[pulse-trufflehog.files]]
+file = "3rd-party/libevent-2.1.12-stable.tar.gz"
+
+  [[pulse-trufflehog.files.secrets]]
+  type = "PrivateKey"
+  values = [ "-----BEGIN RSA PRIVATE KEY-----\nMIIEogIBAAKCAQEAtK07Ili0dkJb79m/" ]
+