diff --git a/Makefile b/Makefile
index 52d99e9..2cefb5d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,19 @@
-all: output/2025-08-10.pdf
+BULLETINS := $(wildcard bulletins/*.lytex)
 
-output/2025-08-10.pdf: bulletins/2025-08-10.lytex output cache
+all: $(foreach bulletin,$(BULLETINS),output/$(notdir $(basename $(bulletin))).pdf)
+
+# Declare dependencies dynamically
+$(foreach bulletin,$(BULLETINS), \
+	$(eval output/$(notdir $(basename $(bulletin))).pdf: $(bulletin)) \
+)
+
+output/%.pdf:
+	mkdir -p output cache; \
 	date=$(basename $(notdir $@)); \
 	lilypond-book --output=cache --pdf bulletins/$$date.lytex && \
 	(cd cache && lualatex $$date.tex) && \
 	mv cache/$$date.pdf output/
 
-output:
-	mkdir output
-
-cache:
-	mkdir cache
-
 clean:
 	rm -rf output cache