--- src/CMakeLists.txt.orig	2026-10-10 13:45:45 UTC
+++ src/CMakeLists.txt
@@ -87,7 +87,7 @@ target_compile_options(manifold PRIVATE ${MANIFOLD_FLA
 
 target_compile_options(manifold PRIVATE ${MANIFOLD_FLAGS})
 # make sure users use appropriate c++ standard when including our headers
-target_compile_features(manifold PUBLIC cxx_std_17)
+target_compile_features(manifold PUBLIC cxx_std_20)
 set(
   OPTIONS
   MANIFOLD_DEBUG