diff --git a/CMakeLists.txt b/CMakeLists.txt
index cedab70..8a1c9a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,4 @@
 cmake_minimum_required(VERSION 3.9)
-cmake_policy(VERSION 3.5) # For doctest
 
 project(fast_float VERSION 8.0.2 LANGUAGES CXX)
 set(FASTFLOAT_CXX_STANDARD 11 CACHE STRING "the C++ standard to use for fastfloat")
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index c4e43b2..1f64835 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -27,8 +27,7 @@ endif()
 if (NOT SYSTEM_DOCTEST)
   FetchContent_GetProperties(doctest)
   if(NOT doctest_POPULATED)
-    FetchContent_Populate(doctest)
-    add_subdirectory(${doctest_SOURCE_DIR} ${doctest_BINARY_DIR})
+    FetchContent_MakeAvailable(doctest)
   endif()
 endif()