diff --git a/CMakeLists.txt b/CMakeLists.txt
index 899966c..a8dd70a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.5.1)
+cmake_minimum_required (VERSION 3.16.3)
 
 project (OpenFHE-Python)