diff --git a/var/spack/repos/builtin/packages/globus-toolkit/package.py b/var/spack/repos/builtin/packages/globus-toolkit/package.py
index 537bcb3a3b..d42cb1fe7d 100644
--- a/var/spack/repos/builtin/packages/globus-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/globus-toolkit/package.py
@@ -16,4 +16,5 @@ class GlobusToolkit(AutotoolsPackage):
     version('6.0.1506371041', 'e17146f68e03b3482aaea3874d4087a5')
     version('6.0.1493989444', '9e9298b61d045e65732e12c9727ceaa8')
 
+    depends_on('pkgconfig', type='build')
     depends_on('openssl')