diff --git a/libtirpc/PKGBUILD b/libtirpc/PKGBUILD
index f9934740..747f6fdc 100644
--- a/libtirpc/PKGBUILD
+++ b/libtirpc/PKGBUILD
@@ -7,7 +7,7 @@ pkgdesc="A port of Sun's Transport-Independent RPC library"
 arch=('i686' 'x86_64')
 license=('BSD')
 url="https://libtirpc.sourceforge.io/"
-makedepends=('gcc' 'make' 'patch')
+makedepends=('gcc' 'make' 'patch' 'heimdal-devel')
 source=(https://downloads.sourceforge.net/libtirpc/libtirpc-${pkgver}.tar.bz2
         0.2.4-cygwin-bindresvport.patch
         0.2.4-cygwin-ipv6.patch