diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5393138..ea5994c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
 endif()
 
 if(NOT CMAKE_BUILD_TYPE)
-  set(CMAKE_BUILD_TYPE "Debug")
+    set(CMAKE_BUILD_TYPE "Release")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")