diff --git a/qt/fstl.pro b/qt/fstl.pro
index 191c542..950c376 100644
--- a/qt/fstl.pro
+++ b/qt/fstl.pro
@@ -1,8 +1,12 @@
-QT       += core gui opengl widgets
+QT += core gui opengl widgets
 
 TARGET = fstl
 TEMPLATE = app
 
+# Bump optimization up to -O3 in release builds
+QMAKE_CXXFLAGS_RELEASE -= -O2
+QMAKE_CXXFLAGS_RELEASE += -O3
+
 SOURCES += \
     ../src/app.cpp\
     ../src/main.cpp\