diff --git a/sims/common-sim-flags.mk b/sims/common-sim-flags.mk
index 7c6c580d..6cf3c761 100644
--- a/sims/common-sim-flags.mk
+++ b/sims/common-sim-flags.mk
@@ -6,7 +6,7 @@ SIM_OPT_CXXFLAGS := -O3
 SIM_CXXFLAGS = \
 	$(CXXFLAGS) \
 	$(SIM_OPT_CXXFLAGS) \
-	-std=c++11 \
+	-std=c++17 \
 	-I$(RISCV)/include \
 	-I$(dramsim_dir) \
 	-I$(build_dir) \