diff --git a/build/kong_bindings.bzl b/build/kong_bindings.bzl
index 61b8d1caa1f3..f44ddd2ccfde 100644
--- a/build/kong_bindings.bzl
+++ b/build/kong_bindings.bzl
@@ -74,5 +74,7 @@ load_bindings = repository_rule(
     environ = [
         "BUILD_NAME",
         "INSTALL_DESTDIR",
+        "RPM_SIGNING_KEY_FILE",
+        "NFPM_RPM_PASSPHRASE",
     ],
 )