--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -10,7 +10,7 @@ FetchContent_Declare(
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
 set(BUILD_GMOCK OFF CACHE BOOL "" FORCE)
 option(INSTALL_GTEST "Enable installation of googletest." OFF)
-FetchContent_MakeAvailable(googletest)
+find_package(GTest REQUIRED)
 
 # Fetch test files
 FetchContent_Declare(
@@ -18,7 +18,6 @@ FetchContent_Declare(
   URL               https://github.com/aous72/jp2k_test_codestreams/archive/refs/heads/main.zip
   SOURCE_DIR        jp2k_test_codestreams/
 )
-FetchContent_MakeAvailable(jp2k_test_codestreams)
 
 # create the mse_pae executable
 include(mse_pae.cmake)