diff --git a/CHANGES b/CHANGES
index b3110f980..7d4015556 100644
--- a/CHANGES
+++ b/CHANGES
@@ -16,6 +16,8 @@ Features added
 Bugs fixed
 ----------
 
+* #6641: LaTeX: Undefined control sequence ``\sphinxmaketitle``
+
 Testing
 --------
 
diff --git a/sphinx/texinputs/sphinx.sty b/sphinx/texinputs/sphinx.sty
index 2eebbb914..c18e87a9b 100644
--- a/sphinx/texinputs/sphinx.sty
+++ b/sphinx/texinputs/sphinx.sty
@@ -6,7 +6,7 @@
 %
 
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
-\ProvidesPackage{sphinx}[2019/06/04 v2.1.1 LaTeX package (Sphinx markup)]
+\ProvidesPackage{sphinx}[2019/09/02 v2.2.1 LaTeX package (Sphinx markup)]
 
 % provides \ltx@ifundefined
 % (many packages load ltxcmds: graphicx does for pdftex and lualatex but
@@ -527,6 +527,7 @@
 \fi
 
 % make commands known to non-Sphinx document classes
+\providecommand*{\sphinxmaketitle}{\maketitle}
 \providecommand*{\sphinxtableofcontents}{\tableofcontents}
 \ltx@ifundefined{sphinxthebibliography}
  {\newenvironment