diff --git a/templates/pkg-config.tmpl b/templates/pkg-config.tmpl
index 8830797aca..78949d6e32 100644
--- a/templates/pkg-config.tmpl
+++ b/templates/pkg-config.tmpl
@@ -12,3 +12,5 @@ long_desc="
  pkg-config is a system for managing library compile/link flags that
  works with automake and autoconf.  It replaces the ubiquitous
  *-config scripts you may have seen with a single tool."
+
+build_depends="libtool-2.2.6a"