diff --git a/Makefile b/Makefile
index 68eb9db..9136956 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ BINDIR ?= $(PREFIX)/bin
 MANDIR ?= $(PREFIX)/share/man
 
 ENABLE_MAN ?= no
-DOCBOOK_XSL ?= http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
+DOCBOOK_XSL ?= http://cdn.docbook.org/release/xsl-nons/current/manpages/docbook.xsl
 
 OBJFILES = \
     git-crypt.o \