diff --git a/build_release.sh b/build_release.sh
index cf0fddff41da36ad20a30d79ae8977f3dc686685..43ce3a073b4fd928d3615a9bdfe591e9cb12296c 100755
--- a/build_release.sh
+++ b/build_release.sh
@@ -8,4 +8,4 @@ rev=$(git log --format=%h -1)
 target=$1
 
 echo "$tag.$rev $target"
-$(which time) zig build -Dtarget=$target -Duse-full-name -Dtag=$tag --prefix . -Dmode=Debug
+$(which time) zig build -Dtarget=$target -Duse-full-name -Dtag=$tag --prefix . -Dmode=ReleaseSafe