diff --git a/posts/2020-07-12-nds-constraint.md b/posts/2020-07-12-nds-constraint.md
index 16b9bdc..4fbe266 100644
--- a/posts/2020-07-12-nds-constraint.md
+++ b/posts/2020-07-12-nds-constraint.md
@@ -21,6 +21,10 @@ better written than mine. However, you are free to keep reading this one.
 also information at the bottom of this post regarding OpenSSL which is important
 to setting up nds-constrain’t properly.
 
+**Update (2022-07-13):** These instructions will only work with OpenSSL 1.1.1
+and lower. OpenSSL 3.0 requires [different steps](https://github.com/openssl/openssl/blob/master/doc/man7/migration_guide.pod),
+and I’ll leave those for someone else to figure out.
+
 ---
 
 ### Getting the Wii client certificate