diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a683bd..03e7223 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18...3.24 FATAL_ERROR)
 
 # cmake setup begin
 project(solanaceae_object_store)
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 9b76966..e42b440 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18...3.24 FATAL_ERROR)
 
 include(FetchContent)
 
diff --git a/external/zstd/CMakeLists.txt b/external/zstd/CMakeLists.txt
index d2662a9..200bed2 100644
--- a/external/zstd/CMakeLists.txt
+++ b/external/zstd/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18...3.24 FATAL_ERROR)
 
 include(FetchContent)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f9d4e13..87b860e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18...3.24 FATAL_ERROR)
 
 project(solanaceae)
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index e9f9c98..25835b2 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18...3.24 FATAL_ERROR)
 
 project(solanaceae)