From 81f1b3b3493521ee293eb873900d1731bae6bc61 Mon Sep 17 00:00:00 2001
From: Bob Halley <halley@dnspython.org>
Date: Thu, 7 May 2020 06:37:43 -0700
Subject: [PATCH] document installing optional packages

---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index e1363713..2a841e4c 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,16 @@ to facilitate the testing of DNS software.
 * If not just download the source file and unzip it, then run
   `sudo python setup.py install`
 
+If you want to use DNS-over-HTTPS, you must run
+`pip install requests requests-toolbelt`
+
+If you want to use DNSSEC functionality, you must run
+`pip install cryptography`
+
+If you want to use internationalized domain names (IDNA)
+functionality, you must run
+`pip install idna`
+
 ## ABOUT THIS RELEASE
 
 This is the development version of dnspython 2.0.0
-- 
2.47.3