diff --git a/make-docker.conf b/make-docker.conf
index ed9a1e6..2745660 100644
--- a/make-docker.conf
+++ b/make-docker.conf
@@ -1,4 +1,4 @@
-COMMON_FLAGS="-O2 -pipe"
+COMMON_FLAGS="-O2 -pipe -march=x86-64-v3"
 CFLAGS="${COMMON_FLAGS}"
 CXXFLAGS="${COMMON_FLAGS}"
 FCFLAGS="${COMMON_FLAGS}"