diff --git a/main.go b/main.go
index 419a5a2..0b14320 100644
--- a/main.go
+++ b/main.go
@@ -46,11 +46,13 @@ func main() {
 		if err != nil {
 			panic(err)
 		}
+		defer f.Close()
 		defer pprof.StopCPUProfile()
 		memProf, err := os.Create("mem.prof")
 		if err != nil {
 			panic(err)
 		}
+		defer memProf.Close()
 		defer pprof.WriteHeapProfile(memProf)
 	}