diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 5503ee9c8870..0c28d9cb2991 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -249,6 +249,8 @@ let
         calendarSupport = config.php.calendar or true;
       };
 
+      hardeningEnable = [ "pie" ];
+
       configurePhase = ''
         # Don't record the configure flags since this causes unnecessary
         # runtime dependencies.