diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7353c20..a8e12aa 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -174,9 +174,9 @@
                           CXX_EXTENSIONS
                             OFF
                           CXX_STANDARD
-                            17
+                            20
                           CXX_STANDARD_REQUIRED
-                            ON
+                            OFF
                           COMPILE_FLAGS
                             "${LIBCXXABI_COMPILE_FLAGS}"
                           LINK_FLAGS
@@ -241,9 +241,9 @@
                           CXX_EXTENSIONS
                             OFF
                           CXX_STANDARD
-                            17
+                            20
                           CXX_STANDARD_REQUIRED
-                            ON
+                            OFF
                           COMPILE_FLAGS
                             "${LIBCXXABI_COMPILE_FLAGS}"
                           LINK_FLAGS