diff --git a/cmake/FindSphinx.cmake b/cmake/FindSphinx.cmake
index dc83ec6..7d39969 100644
--- a/cmake/FindSphinx.cmake
+++ b/cmake/FindSphinx.cmake
@@ -35,6 +35,9 @@ find_program(Sphinx_BUILD_EXECUTABLE
         sphinx-build
         sphinx-build2
         sphinx-build3
+        sphinx-build-2.7
+        sphinx-build-3.4
+        sphinx-build-3.5
     DOC "Sphinx Documentation Builder (https://www.sphinx-doc.org/)"
 )