diff --git a/detect_secrets/plugins/private_key.py b/detect_secrets/plugins/private_key.py
index a4e709989..848aa7865 100644
--- a/detect_secrets/plugins/private_key.py
+++ b/detect_secrets/plugins/private_key.py
@@ -47,5 +47,6 @@ class PrivateKeyDetector(RegexBasedDetector):
             r'BEGIN PRIVATE KEY',
             r'PuTTY-User-Key-File-2',
             r'BEGIN SSH2 ENCRYPTED PRIVATE KEY',
+            r'BEGIN PGP PRIVATE KEY BLOCK',
         )
     ]