diff --git docs/CMakeLists.txt docs/CMakeLists.txt
index f17400f..2dd6b8b 100644
--- cmake/orig.FindSphinx.cmake 2015-12-06 15:09:22.000000000 +0100
+++ cmake/FindSphinx.cmake  2015-12-15 13:06:38.000000000 +0100
@@ -56,6 +56,9 @@
         sphinx-build
         sphinx-build2
         sphinx-build3
+        sphinx-build-2.7
+        sphinx-build-3.4
+        sphinx-build-3.5
     DOC "Sphinx Documentation Builder (http://sphinx-doc.org/)"
 )