diff --git a/CMakeLists.txt b/CMakeLists.txt
index f3c4d157..c06a46e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.26)
+cmake_minimum_required(VERSION 3.21)
 set(PROJECT_NAME supercell-wx)
 project(${PROJECT_NAME}
         VERSION      0.4.5
diff --git a/wxdata/wxdata.cmake b/wxdata/wxdata.cmake
index e1ed8ddd..434fc415 100644
--- a/wxdata/wxdata.cmake
+++ b/wxdata/wxdata.cmake
@@ -259,6 +259,7 @@ try_compile(CHRONO_HAS_TIMEZONES_AND_CALENDERS
             CXX_STANDARD 20
             CXX_STANDARD_REQUIRED ON
             CXX_EXTENSIONS OFF)
+message("CHRONO_HAS_TIMEZONES_AND_CALENDERS: ${CHRONO_HAS_TIMEZONES_AND_CALENDERS}")
 
 target_include_directories(wxdata PRIVATE ${Boost_INCLUDE_DIR}
                                           ${HSLUV_C_INCLUDE_DIR}