diff --git a/pkgs/tools/networking/ntp/default.nix b/pkgs/tools/networking/ntp/default.nix
index 445cb1fb393..a37b1bdbd98 100644
--- a/pkgs/tools/networking/ntp/default.nix
+++ b/pkgs/tools/networking/ntp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, openssl, libcap ? null, libseccomp ? null }:
+{ stdenv, fetchurl, openssl, perl, libcap ? null, libseccomp ? null }:
 
 assert stdenv.isLinux -> libcap != null;
 assert stdenv.isLinux -> libseccomp != null;
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     "--enable-libseccomp"
   ];
 
-  buildInputs = [ libcap openssl libseccomp ];
+  buildInputs = [ libcap openssl libseccomp perl ];
 
   hardeningEnable = [ "pie" ];