diff --git a/doc/Makefile b/doc/Makefile
index 68131e4e2..0a08c53bb 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -43,8 +43,8 @@ MANPAGES := doc/lightning-cli.1 \
 
 doc-all: $(MANPAGES)
 
-$(MANPAGES): doc/%: doc/%.txt
-	@if $(CHANGED_FROM_GIT); then echo a2x --format=manpage $<; a2x --format=manpage $<; else touch $@; fi
+$(MANPAGES): doc/%: doc/%.md
+	@if $(CHANGED_FROM_GIT); then echo mrkd $<; mrkd $<; else touch $@; fi
 
 doc/protocol-%.svg: test/test_protocol
 	test/test_protocol --svg < test/commits/$*.script > $@
diff --git a/doc/requirements.txt b/doc/requirements.txt
index e5484f764..26ff89397 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -5,3 +5,4 @@ Sphinx==1.8.4
 commonmark==0.8.1
 commonmark==0.8.1
 recommonmark==0.5.0
+git+git://github.com/darosior/mrkd@79a7365dc6c81a8458ff33ad69ef469edacc6daa