diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c9f686e9..bb0f63d24 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.5.1)
+cmake_minimum_required (VERSION 3.4.3)
 
 project (benchmark)
 
diff --git a/dependencies.md b/dependencies.md
index 6499493ae..f78140f8d 100644
--- a/dependencies.md
+++ b/dependencies.md
@@ -6,13 +6,18 @@ still allow forward progress, we require any build tooling to be available for:
 * Debian stable AND
 * The last two Ubuntu LTS releases
 
-Currently, this means using build tool versions that are available for Ubuntu
-16.04 (Xenial), Ubuntu 18.04 (Bionic), and Debian stretch.
+Currently, this means the highest build tool versions we can use must be
+available for Ubuntu 16.04 (Xenial), Ubuntu 18.04 (Bionic), and Debian stretch.
+
+However, there are projects that rely on Benchmark that require a slightly older
+version than this
+([LVM](https://github.com/llvm-mirror/llvm/blob/master/CMakeLists.txt)], so we
+will choose something that allows this compatibility requirement to be met.
 
 _Note, [travis](.travis.yml) runs under Ubuntu 14.04 (Trusty) for linux builds._
 
 ## cmake
-The current supported version is cmake 3.5.1 as of 2018-06-06.
+The current supported version is cmake 3.4.3 as of 2018-11-14.
 
 _Note, this version is also available for Ubuntu 14.04, the previous Ubuntu LTS
 release, as `cmake3`._