diff --git a/fuzz/makefile b/fuzz/makefile
index a74e23c..22816bc 100644
--- a/fuzz/makefile
+++ b/fuzz/makefile
@@ -5,4 +5,4 @@ all:
 	${CXX} ${SRC} -fsanitize=fuzzer -std=c++17 -o ${BIN}
 
 run:
-	./${BIN} -max_total_time=30
+	./${BIN} -max_total_time=300