diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11bf9e09..f8150527 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+* OpenSSL 1.0.2 or later is required
 * Fix c++20 deprecation warning in span_body
 
 --------------------------------------------------------------------------------
diff --git a/doc/qbk/01_intro/_intro.qbk b/doc/qbk/01_intro/_intro.qbk
index a7849948..688bf0c1 100644
--- a/doc/qbk/01_intro/_intro.qbk
+++ b/doc/qbk/01_intro/_intro.qbk
@@ -58,7 +58,7 @@ Beast requires:
 
 * [*C++11:] Robust support for most language features.
 * [*Boost:] Beast only works with Boost, not stand-alone Asio
-* [*OpenSSL:] Required to build the tests, examples, and to use TLS/Secure sockets.
+* [*OpenSSL:] Version 1.0.2 or higher. Required to build the tests, examples, and to use TLS/Secure sockets.
 
 Tested with these compilers: msvc-14+, gcc 4.8.4+, clang 3.6+.