diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8af3db4262119ddadd05c767dc0b9c43b022e22c..db0ed3980922d8882b3f93fec80b6b35ceebb8e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,7 +53,7 @@ include(TargetSourcesLocal) # needed only until we require CMake 3.13
 
 # required packages
 set(Boost_NO_BOOST_CMAKE ON) # disable new cmake features from Boost 1.70 on
-find_package(Boost 1.62 REQUIRED COMPONENTS program_options unit_test_framework)
+find_package(Boost 1.69 REQUIRED COMPONENTS program_options unit_test_framework)
 find_package(Eigen 3.2.9 REQUIRED)
 
 # optional packages