diff --git a/README.adoc b/README.adoc
index b95de43..5c0a1db 100644
--- a/README.adoc
+++ b/README.adoc
@@ -9,6 +9,7 @@
 :uri-clang: https://clang.llvm.org/
 :uri-cmake: https://cmake.org/
 :uri-catch: https://github.com/catchorg/Catch2
+:uri-boost: https://www.boost.org/
 :uri-gettext: https://www.gnu.org/software/gettext/
 
 *{project}* is a search tool for EPUB ebooks.
@@ -36,7 +37,8 @@ image::https://repology.org/badge/vertical-allrepos/epubgrep.svg[]
 * C\++ compiler with C++17 support (tested: link:{uri-gcc}[GCC] 7/10,
   link:{uri-clang}[clang] 6/11)
 * link:{uri-cmake}[CMake] (at least: 3.12)
-* link:{uri-gettext}[gettext] (tested: 0.21)
+* link:{uri-boost}[Boost] (tested: 1.75.0 / 1.65.0)
+* link:{uri-gettext}[gettext] (tested: 0.21 / 0.19)
 * Optional
   ** Tests: link:{uri-catch}[Catch] (tested: 2.5 / 1.2)