diff --git a/trajopt_common/cmake/trajopt_macros.cmake b/trajopt_common/cmake/trajopt_macros.cmake
index 2ebc54da..90ea8ab7 100644
--- a/trajopt_common/cmake/trajopt_macros.cmake
+++ b/trajopt_common/cmake/trajopt_macros.cmake
@@ -90,5 +90,5 @@ macro(trajopt_variables)
     endif()
   endif()
 
-  set(TRAJOPT_CXX_VERSION 17)
+  set(TRAJOPT_CXX_VERSION 20)
 endmacro()