diff --git a/gtsam/3rdparty/GeographicLib/CMakeLists.txt b/gtsam/3rdparty/GeographicLib/CMakeLists.txt
index a0d54a5db..25c923e01 100644
--- a/gtsam/3rdparty/GeographicLib/CMakeLists.txt
+++ b/gtsam/3rdparty/GeographicLib/CMakeLists.txt
@@ -47,7 +47,7 @@ set (LIBVERSION_BUILD 17.1.2)
 string (TOLOWER ${PROJECT_NAME} PROJECT_NAME_LOWER)
 string (TOUPPER ${PROJECT_NAME} PROJECT_NAME_UPPER)
 
-cmake_minimum_required (VERSION 2.8.4) # This version was released 2011-02-16
+cmake_minimum_required (VERSION 3.5) # This version was released 2011-02-16
 
 # User-settable variables