diff --git a/README.md b/README.md
index 7031a62..8679b80 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@
 
 ### Generate `lumbung[dot]space` posts
 
+Do this manually first:
+
 ```
 mkdir -p content
 python3 -m venv .venv && source .venv/bin/activate
@@ -27,3 +29,5 @@ lumbunglib-cal
 export OUTPUT_DIR=content/video
 lumbunglib-vid
 ```
+
+Afterwards, you can automatically run it with `make gen`.
diff --git a/makefile b/makefile
index 184625a..ac5aaed 100644
--- a/makefile
+++ b/makefile
@@ -3,4 +3,10 @@ DEFAULT: serve
 serve:
 	@hugo serve
 
+gen:
+	@CALENDAR_URL="https://cloud.lumbung.space/remote.php/dav/public-calendars/WbnHM8YdCkKT6bcT?export"; \
+	OUTPUT_DIR=content/calendar; \
+	lumbunglib-cal && \
+	OUTPUT_DIR=content/video lumbunglib-vid
+
 .PHONY: serve