diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83e44a0..1447598 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.14...3.24 FATAL_ERROR)
 
 # cmake setup begin
 project(totato)
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 4cb9b6a..06624ae 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.14...3.24 FATAL_ERROR)
 
 include(FetchContent)
 
diff --git a/external/toxcore/CMakeLists.txt b/external/toxcore/CMakeLists.txt
index 0f97163..ac12ba0 100644
--- a/external/toxcore/CMakeLists.txt
+++ b/external/toxcore/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.14...3.24 FATAL_ERROR)
 
 if (NOT TARGET toxcore)
 
@@ -161,8 +161,6 @@ if (NOT TARGET toxcore)
 			${TOX_DIR}toxencryptsave/toxencryptsave.h
 		)
 
-		# HACK: "install" api headers into self
-		# this is dirty, should be binary dir
 		# TODO: add the others
 		configure_file(
 			${TOX_DIR}toxcore/tox.h