From 231b09f195575633d61c47159f94f9a8eee718e8 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Fri, 20 Jan 2023 17:51:02 +0900
Subject: [PATCH] Added supported versions to OpenSSL and libyaml

---
 doc/contributing/building_ruby.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/contributing/building_ruby.md b/doc/contributing/building_ruby.md
index a1617c190a..1f6df87773 100644
--- a/doc/contributing/building_ruby.md
+++ b/doc/contributing/building_ruby.md
@@ -13,11 +13,11 @@
 
 2. Install optional, recommended dependencies:
 
-    * OpenSSL/LibreSSL
+    * OpenSSL 1.1.x or 3.0.x / LibreSSL
     * readline/editline (libedit)
     * zlib
     * libffi
-    * libyaml
+    * libyaml 0.1.7 or later
     * libexecinfo (FreeBSD)
     * rustc - 1.58.0 or later (if you wish to build [YJIT](/doc/yjit/yjit.md))