diff --git a/snippets/proxy-headers.conf b/snippets/proxy-headers.conf
index 55c1cfb7976b7657f8139c09d071e46b709701ec..e1420368822afd1ec4d574b95a2403909fe2a439 100644
--- a/snippets/proxy-headers.conf
+++ b/snippets/proxy-headers.conf
@@ -4,3 +4,5 @@ proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header    Host $host;
 proxy_set_header    X-Real-IP $remote_addr;
 proxy_hide_header   Strict-Transport-Security;
+proxy_hide_header   Public-Key-Pins;
+proxy_hide_header   Public-Key-Pins-Report-Only;