--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,7 +202,7 @@ option(GGML_BUILD_EXAMPLES "ggml: build examples" ${GGML_STANDALONE})
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED true)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED true)
 
 set(THREADS_PREFER_PTHREAD_FLAG ON)
@@ -238,6 +238,7 @@ include(CMakePackageConfigHelpers)
 # all public headers
 set(GGML_PUBLIC_HEADERS
     include/ggml.h
+    include/ggml-cpp.h
     include/ggml-cpu.h
     include/ggml-alloc.h
     include/ggml-backend.h
@@ -245,6 +246,7 @@ set(GGML_PUBLIC_HEADERS
     include/ggml-cann.h
     include/ggml-cuda.h
     include/ggml-kompute.h
+    include/ggml-opencl.h
     include/ggml-opt.h
     include/ggml-metal.h
     include/ggml-rpc.h