--- a/src/cmake/externalpackages.cmake
+++ b/src/cmake/externalpackages.cmake
@@ -103,7 +102,7 @@
     if (NOT USE_STD_REGEX)
         list (APPEND Boost_COMPONENTS regex)
     endif ()
-    find_package (Boost 1.53 REQUIRED
+    find_package (Boost 1.69 REQUIRED
                   COMPONENTS ${Boost_COMPONENTS})
 endif ()