diff --git a/test/net/http/test_https.rb b/test/net/http/test_https.rb
index 89d500118db24b..ccfa48b2a44ea8 100644
--- a/test/net/http/test_https.rb
+++ b/test/net/http/test_https.rb
@@ -182,7 +182,7 @@ def test_session_reuse_but_expire
     http.get("/")
 
     socket = http.instance_variable_get(:@socket).io
-    assert_equal false, socket.session_reused?
+    assert_equal false, socket.session_reused?, "NOTE: OpenSSL library version is #{OpenSSL::OPENSSL_LIBRARY_VERSION}"
 
     http.finish
   end