diff --git a/external/CppUTest/CppUTest.cmake b/external/CppUTest/CppUTest.cmake
index 8fd8ab1..7b916d5 100644
--- a/external/CppUTest/CppUTest.cmake
+++ b/external/CppUTest/CppUTest.cmake
@@ -10,6 +10,7 @@
 set(CPPUTEST_REFSPEC "v3.8" CACHE STRING "CppUTest git refspec")
 set(CPPUTEST_INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/CppUTest_install CACHE PATH "CppUTest installation directory")
 set(CPPUTEST_SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/_deps/cpputest-src CACHE PATH "CppUTest source directory")
+set(CPPUTEST_BUILD_TYPE "Release" CACHE STRING "CppUTest build type")
 
 set(GIT_OPTIONS
 	GIT_REPOSITORY ${CPPUTEST_URL}