--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@
 DEBUG_FLAGS += -d
 endif
 
-all: ${C2IEC}
+all: ${C2IEC} ${C2IEC}.js ${C2IEC}.wasm ${C2IEC}.html
 
 ${C2IEC}: lex.yy.c y.tab.c
 	$(CC) -o $@ $^