diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5037436b..490a205f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Change Log
 All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
 
+## [Unreleased]
+- Require a minimum version of CMake 3.5 ([#1107](https://github.com/planck-repl/planck/pull/1107))
+
 ## [2.28.0] - 2024-03-24
 ### Changed
 - Update to ClojureScript 1.11.132 ([#1102](https://github.com/planck-repl/planck/issues/1102))
diff --git a/planck-c/CMakeLists.txt b/planck-c/CMakeLists.txt
index ec0dd3a7..f1dd87c1 100644
--- a/planck-c/CMakeLists.txt
+++ b/planck-c/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.5)
 project(planck C)
 
 set(CMAKE_BUILD_TYPE Release)