diff --git a/Makefile b/Makefile
index f27f3ec..61d8fbc 100644
--- a/Makefile
+++ b/Makefile
@@ -220,16 +220,22 @@ upload: ${GEN_DEB} ${DOC_DEB} ${MEDIAWIKI_DEB}
 	tar cf - ${GEN_DEB} ${DOC_DEB} ${MEDIAWIKI_DEB} | ssh -X repoman@repo.proxmox.com -- upload --product pve --dist stretch
 
 .PHONY: update
-update: clean
+update: clean clean-static | update-static
+	make all
+
+.PHONY: update-static
+update-static: clean-static | $(filter %-synopsis.adoc %-opts.adoc, ${PVE_ADMIN_GUIDE_ADOCDEPENDS}) pve-firewall-macros.adoc api-viewer/apidata.js
+
+.PHONY: clean-static
+clean-static:
 	find . -regex '.*-\(opts\|synopsis\)\.adoc' -not -name pmxcfs.8-synopsis.adoc -exec rm -f \{\} \;
 	rm -f api-viewer/apidata.js
 	rm -f pve-firewall-macros.adoc pct-network-opts.adoc pct-mountpoint-opts.adoc
-	make all
 
-clean: 
+clean:
 	rm -rf *.html *.pdf *.epub *.tmp *.1 *.5 *.8
 	rm -f *.deb *.changes *.buildinfo
-	rm -f api-viewer/apidoc.js chapter-*.html *-plain.html chapter-*.html pve-admin-guide.chunked asciidoc-pve link-refs.json .asciidoc-pve-tmp_* pve-docs-mediawiki-import 
-	rm -rf .pve-doc-depends 
+	rm -f api-viewer/apidoc.js chapter-*.html *-plain.html chapter-*.html pve-admin-guide.chunked asciidoc-pve link-refs.json .asciidoc-pve-tmp_* pve-docs-mediawiki-import
+	rm -rf .pve-doc-depends
 	rm -f pve-doc-generator.mk chapter-index-table.adoc man1-index-table.adoc man5-index-table.adoc man8-index-table.adoc pve-admin-guide-docinfo.xml
 	rm -rf build-*