diff --git a/Makefile b/Makefile
index fe95a81..d56a95a 100644
--- a/Makefile
+++ b/Makefile
@@ -16,3 +16,7 @@ deploy: clean build
 clean:
 	cobalt clean
 .PHONY: clean
+
+rerun:
+	rerun -p "**/*.{md,liquid,css,js}" -i "_site/*" -x -- make
+.PHONY: rerun
diff --git a/_cobalt.yml b/_cobalt.yml
index 9e0ba2a..d5654be 100644
--- a/_cobalt.yml
+++ b/_cobalt.yml
@@ -26,6 +26,7 @@ template_extensions:
 ignore:
   - ext/
   - README.md
+  - Makefile
 syntax_highlight:
   theme: "base16-ocean.dark"
 assets: