diff --git a/cmake/Modules/Documentation.cmake b/cmake/Modules/Documentation.cmake
index b8f4c541e9..16dd5dd4fa 100644
--- a/cmake/Modules/Documentation.cmake
+++ b/cmake/Modules/Documentation.cmake
@@ -56,7 +56,7 @@ if(BUILD_DOC)
   )
 
   set(MATHJAX_URL "https://github.com/mathjax/MathJax/archive/3.1.3.tar.gz" CACHE STRING "URL for MathJax tarball")
-  set(MATHJAX_MD5 "b81661c6e6ba06278e6ae37b30b0c492" CACHE STRING "MD5 checksum of MathJax tarball")
+  set(MATHJAX_MD5 "d1c98c746888bfd52ca8ebc10704f92f" CACHE STRING "MD5 checksum of MathJax tarball")
   mark_as_advanced(MATHJAX_URL)
 
   # download mathjax distribution and unpack to folder "mathjax"
diff --git a/doc/Makefile b/doc/Makefile
index a90b13e133..e49d42ca77 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -236,7 +236,7 @@ $(VENV):
 	)
 
 $(MATHJAX):
-	@git clone -b 3.1.3 -c advice.detachedHead=0 --depth 1 git://github.com/mathjax/MathJax.git $@
+	@git clone -b 3.1.4 -c advice.detachedHead=0 --depth 1 git://github.com/mathjax/MathJax.git $@
 
 $(TXT2RST) $(ANCHORCHECK): $(VENV)
 	@( \