diff --git a/CMakeLists.txt b/CMakeLists.txt
index d94eb79ff..359fa16a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
 
 cmake_minimum_required(VERSION 2.8.8)
-set(BOOST_MIN_VERSION "1.53.0")
+set(BOOST_MIN_VERSION "1.66.0")
 
 project(icinga2)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
diff --git a/doc/21-development.md b/doc/21-development.md
index aa50f0097..72bca8f33 100644
--- a/doc/21-development.md
+++ b/doc/21-development.md
@@ -1095,8 +1095,8 @@ Icinga application using a dist tarball (including notes for distributions):
   - SUSE: libopenssl-devel (for SLES 11: libopenssl1-devel)
   - Debian/Ubuntu: libssl-dev
   - Alpine: libressl-dev
-* Boost library and header files >= 1.53.0
-  - RHEL/Fedora: boost153-devel
+* Boost library and header files >= 1.66.0
+  - RHEL/Fedora: boost166-devel
   - Debian/Ubuntu: libboost-all-dev
   - Alpine: boost-dev
 * GNU bison (bison)