diff --git a/build.sh b/build.sh
index 56851bc..3e356af 100755
--- a/build.sh
+++ b/build.sh
@@ -1,2 +1,2 @@
-[ -f Build/build.ninja ] || cmake -G Ninja -B Build
+[ -f Build/build.ninja ] || cmake -G Ninja -B Build -DCMAKE_BUILD_TYPE=Release
 exec ninja -C Build "$@"