diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c7d89d8..a0053ea5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -349,7 +349,7 @@ if(NOT DEFINED MDBX_CXX_STANDARD)
       AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12))
     set(MDBX_CXX_STANDARD 23)
   elseif(NOT HAS_CXX20 LESS 0
-      AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9))
+      AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10))
     set(MDBX_CXX_STANDARD 20)
   elseif(NOT HAS_CXX17 LESS 0
       AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5))