diff --git a/var/spack/repos/builtin/packages/cmake/package.py b/var/spack/repos/builtin/packages/cmake/package.py
index d2f1e27a0b2..60c95b91842 100644
--- a/var/spack/repos/builtin/packages/cmake/package.py
+++ b/var/spack/repos/builtin/packages/cmake/package.py
@@ -28,8 +28,10 @@
 class Cmake(Package):
     """A cross-platform, open-source build system. CMake is a family of
        tools designed to build, test and package software."""
-    homepage  = 'https://www.cmake.org'
-    url       = 'https://cmake.org/files/v3.4/cmake-3.4.3.tar.gz'
+    homepage = 'https://www.cmake.org'
+    url      = 'https://cmake.org/files/v3.4/cmake-3.4.3.tar.gz'
+    list_url = 'https://cmake.org/files/'
+    list_depth = 2
 
     version('3.7.1',    'd031d5a06e9f1c5367cdfc56fbd2a1c8')
     version('3.6.1',    'd6dd661380adacdb12f41b926ec99545')